| 单词 | 学品 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔BREATHE〕It is dangerous to inhale the fumes produced by these chemicals. 吸入这些化学品产生的气体是很危险的。朗文写作活用〔MIX〕If these two chemicals are mixed together, they will explode. 这两种化学品如果混合起来就会爆炸。朗文写作活用〔MIX〕When the two chemicals combine, they form an explosive compound. 这两种化学品能化合成一种会爆炸的化合物。朗文写作活用〔PURE〕New laws restrict the sale of impure chemicals. 新制定的法律限制不纯化学品的销售。朗文写作活用〔REPRESENT〕The Chemical Manufacturers Association is the mouthpiece of the American chemicals industry. 化学品制造商协会是美国化学品工业的喉舌。朗文写作活用〔STRICT/NOT STRICT〕There are strict rules about the use of dangerous chemicals. 对于危险化学品的使用有严格的规定。朗文写作活用〔USE〕The tanks are used for storing chemicals. 这些大罐子是用来储存化学品的。朗文写作活用〔accelerate〕They use special chemicals to accelerate the growth of crops.他们使用特殊的化学品来刺激农作物生长。剑桥高阶〔ambient〕Keep the chemicals at an ambient temperature of 70°F.这些化学品应在70华氏度的环境下保存。韦氏高阶〔analyse〕Water samples taken from streams were analysed for contamination by chemicals.对水样进行分析，来测定溪流是否已受到化学品的污染。剑桥高阶〔assume〕Under certain conditions, the chemical will assume the appearance of ice.在一定条件下，这种化学品会呈现冰状。韦氏高阶〔assurance〕Despite assurances from the government, the chemicals are known to be dangerous.尽管有政府的保证，化学品的危险性是人所共知的。牛津搭配〔attention〕Anyone who comes into contact with these chemicals should seek urgent medical attention .接触这些化学品的人应当立即就医。朗文当代〔bathe〕If the chemical comes in contact with the eyes, bathe the eyes with water for 10 minutes.如果化学品接触到眼睛，就用水清洗眼睛10分钟。韦氏高阶〔behave〕The chemical can behave as an acid.这种化学品能起酸的作用。英汉大词典〔beware〕Beware - poisonous chemicals.小心——化学品有毒。剑桥高阶〔burn〕Quite a lot of household chemicals can burn your skin.有许多家用的化学品都能烧伤皮肤。朗文当代〔business〕Disposing of chemicals can be a dangerous business.处理化学品是件危险的事。麦克米伦高阶〔careful〕You must be careful when handling chemicals.搬运化学品必须小心谨慎。牛津高阶〔chemical〕Many workers are regularly exposed to dangerous chemicals.许多工人经常与危险化学品接触。牛津搭配〔chemical〕We don't use many chemicals on our farm these days.我们农场如今不大量使用化学品了。牛津搭配〔chemosurgery〕Selective destruction of tissue by use of chemicals, as for removing malignant skin lesions.化学外科疗法：使用化学品有选择地破坏组织，例如去除癌变的皮肤损伤美国传统〔compound〕At the right temperature, the chemicals will form a compound.温度适宜时，这些化学品就会形成一种化合物。牛津搭配〔constitution〕What is the molecular constitution of the chemical? 这种化学品的分子结构是什么？韦氏高阶〔contact〕The chemicals become activated on contact with soil.这些化学品一旦和土壤接触就会活化。麦克米伦高阶〔controversy〕Controversy arose (=began) over the use of the chemicals on crops.对庄稼使用化学品的问题引起了争论。朗文当代〔corrode〕Certain chemicals will corrode if left on metal.有些化学品留在金属上会起腐蚀作用。英汉大词典〔dangerous〕It is not yet known whether these chemicals are dangerous to humans.这些化学品对人类是否有害还不知道。麦克米伦高阶〔danger〕There is no danger to the public from these chemicals.这些化学品对公众没有任何危害。牛津搭配〔deleterious〕The chemical is deleterious to the environment.这种化学品对环境有害。韦氏高阶〔detrimental〕These chemicals have a detrimental effect/impact on the environment.这些化学品对环境有危害。剑桥高阶〔disaggregate〕A chemical disaggregated.一种化学品分解了。21世纪英汉〔dry-salter〕A dealer in chemical products and dyes.干咸货商：出售化学品与染料的商人美国传统〔environment〕Certain chemicals have been banned because of their damaging effect on the environment.一些化学品因对环境有破坏作用已被禁止使用。剑桥高阶〔environment〕Some of these chemicals are very damaging to the environment.这些化学品中有些对环境非常有害。朗文当代〔exercise〕Exercise caution when using these chemicals.使用这些化学品时要小心谨慎。韦氏高阶〔extreme〕It is necessary to use extreme caution with chemicals.接触化学品必须极其小心。朗文当代〔fix〕A dye is fixed with chemicals.染料由化学品作用而经久不退色。英汉大词典〔glove〕She gloved her hands to protect them from the chemicals.她戴上了手套防止受化学品的伤害。剑桥高阶〔group〕There are worries about the safety of this group of chemicals.人们担忧这类化学品的安全性。麦克米伦高阶〔handle〕All chemicals must be handled with care.所有的化学品都要小心轻放。麦克米伦高阶〔handling〕A special licence is required for the manufacture or handling of any dangerous chemical.生产或销售危险化学品必须获得特殊许可证。朗文当代〔harmful〕A lot of these chemicals are potentially very harmful.这些化学品中许多都可能危害很大。牛津搭配〔harmful〕This group of chemicals is known to be harmful to people with asthma.已知这类化学品对哮喘病患者有害。剑桥高阶〔harmless〕These chemicals are deadly to insects but they are supposed to be harmless to animals and people.这些化学品对昆虫是致命的，但对人和动物应该是无害的。韦氏高阶〔harm〕Chemicals might harm the soil.化学品可能损坏土壤。牛津同义词〔hazard〕Production of these chemicals poses serious environmental hazards.生产这些化学品会严重危害环境。牛津搭配〔imitate〕They produce artificial chemicals which exactly imitate particular natural ones.他们生产酷似某些天然物质的人造化学品。剑桥高阶〔ineffective〕The chemical was almost totally ineffective in killing the weeds.这种化学品除杂草几乎无效。朗文当代〔isolate〕The chemical/compound was originally isolated from a kind of seaweed.这种化学品/化合物最初是从一种海藻中分离出来的。韦氏高阶〔killer〕The chemical is used as a weed killer.这种化学品可以用作除草剂。韦氏高阶〔knock〕A sudden drop in supplies of certain chemicals could knock the bottom out of the engineering industry.某些化学品供应的突然减少会造成工程行业的不景气。朗文当代〔leach〕Certain kinds of treated wood can leach chemicals into the soil.某些经过处理的木材能够滤出化学品并使其进入土壤。韦氏高阶〔lethal〕These chemicals are lethal to fish.这些化学品对鱼类是致命的。朗文当代〔light〕The food industry was given a green light to extend the use of these chemicals.食品工业得到了扩大这些化学品使用范围的许可。外研社新世纪〔morphogen〕Any of various chemicals in embryonic tissue that influence the movement and organization of cells during morphogenesis by forming a concentration gradient.构形素，定形素：在形态发生过程中通过形成浓度梯度从而对细胞的运动和组织产生影响的胚胎组织中多种化学品的任何一种美国传统〔mould〕The chemical was used to kill a mold that grows on peanuts.这种化学品被用来杀灭花生上的霉菌。朗文当代〔musk〕A synthetic chemical resembling natural musk in odor or use.合成麝香：一种类似天然麝香的香味或者用途的人工合成的化学品美国传统〔need〕These new methods reduce the need to use harmful chemicals on crops.这些新方法减少了对农作物使用有害化学品的必要性。韦氏高阶〔neurosis〕She got a neurosis about chemicals and imagined them everywhere doing her harm.她对化学品有神经症，认为它们无处不在地伤害着自己。柯林斯高阶〔nontoxic〕The chemicals are relatively nontoxic but should be kept away from children and animals.这种化学品相对无毒，但也要远离孩子和动物。韦氏高阶〔place〕Natural methods of pest control are now taking the place of chemicals.控制害虫的自然方法目前正在取代化学品。朗文当代〔plant〕Much of the local plant life has been destroyed by the chemicals.当地很多植物已经被化学品摧毁了。牛津搭配〔pointlessly〕Chemicals were pointlessly poisoning the soil.化学品在无谓地污染着土壤。柯林斯高阶〔poisoned〕The land has been completely poisoned by chemicals.土地已被化学品彻底污染。柯林斯高阶〔polluted〕Heavy industry pollutes our rivers with noxious chemicals.重工业产生的有毒化学品会污染我们的河流。柯林斯高阶〔pollute〕Heavy industry pollutes our rivers with noxious chemicals.重工业产生的有毒化学品会污染我们的河流。外研社新世纪〔pollute〕The villagers drank from wells polluted with toxic chemicals.村民们喝的是受有毒化学品污染的井水。麦克米伦高阶〔present〕Use of these chemicals may present a fire risk.使用这些化学品有可能导致失火。牛津高阶〔property〕This chemical has unusual properties.这种化学品有异常的性质。牛津同义词〔reach〕Keep chemicals out of the reach of children.化学品要放在儿童够不到的地方。朗文当代〔react〕The chemicals react with each other to form a gas.这两种化学品相互作用形成一种气体。韦氏高阶〔regulate〕The use of these chemicals is strictly regulated.这些化学品的使用受到严格管制。牛津搭配〔retardation〕The chemical induced a retardation of cell growth.这种化学品抑制细胞生长。韦氏高阶〔robotic〕A robotic arm is used to mix the chemicals.用机械臂来搅拌这些化学品。韦氏高阶〔seepage〕Chemical seepage has caused untold damage.化学品泄漏已造成不可估量的损失。柯林斯高阶〔sensitive〕Use a chemical which is sensitive to light.使用对光敏感的化学品。外研社新世纪〔show〕These photographs show the effects of the chemical on the trees.这些照片显示了这种化学品对树木的影响。剑桥高阶〔soda ash〕Sodium carbonate in powdery white form, used especially as an industrial chemical.苏打灰：以白粉形式存在的碳酸钠，尤其是作为工业化学品使用美国传统〔spread〕Fire spread rapidly after a chemical truck exploded.一辆装有化学品的卡车爆炸后, 火势迅速蔓延。外研社新世纪〔tap〕Tap water (=water that comes out of a tap) is usually heavily treated with chemicals.自来水通常都用化学品严格处理过。朗文当代〔taste〕The water tasted strongly of chemicals.水尝起来有一股浓浓的化学品味道。牛津搭配〔toxic〕A toxic chemical or other substance.有毒的化学品或其它物质美国传统〔traceable〕His medical problems were shown to be traceable to (= to have been caused by) his having been exposed to dangerous chemicals.有迹象表明，他的健康问题是由于其接触过危险化学品引起的。剑桥高阶〔treat〕All wood is routinely treated with chemicals to preserve it.按照常规，所有的木头都涂上了化学品以作保护。麦克米伦高阶〔understand〕The effects of these chemicals on the body are still poorly understood.这些化学品对身体的影响还不太清楚。牛津搭配〔very〕The chemicals had poisoned his land and destroyed the very basis of his livelihood.这些化学品污染了他的农田，毁掉了他赖以生存的基础。麦克米伦高阶Beware--poisonous chemicals.小心----有毒化学品。剑桥国际Failure to keep the chemical (= Not keeping it) at the right temperature could lead to an explosion.化学品不保持在恰当的温度下会引起爆炸。剑桥国际It is not economical to sell these chemicals in small quantities.小批量销售这些化学品并不合算。牛津商务Over ninety countries ratified an agreement to ban the use of these chemicals. 九十多个国家批准了一项禁止使用这些化学品的协议。译典通Salt is an inorganic chemical, but sugar is an organic one.盐是无机化学品，而糖是有机化学品。剑桥国际The agglutinate substance occurred because you left the two chemicals under the heat too long. 因为你使这两种化学品受热太久，所以产生了凝集物质。译典通The chemicals are transported by road to the processing plant.化学品由公路运输到加工厂。牛津商务The company's continued use of such dangerous chemicals has attracted a lot of negative publicity.这个公司继续使用这样危险的化学品招来了传煤的不少批评。剑桥国际The event is being sponsored by a major chemicals company.这一活动是由一家大化学品公司出资举办的。剑桥国际This chemical is found in most weed killers (= substances used to kill weeds).在大多数除草剂中有这种化学品。剑桥国际This chemical resolves when distilled at a high temperature. 这种化学品在高温下蒸馏就会分解。译典通Water samples taken from streams were analysed for contamination by chemicals.对水流中提取的水样已作了分析，以便测定其受化学品污染的情况。剑桥国际When toxic fumes from the factory fire/chemical spill began to drift toward our homes, we were told to evacuate.当工厂着火冒出的有毒烟雾/化学品溢出散发的毒气朝我们的住所方向扩散时，我们被告知撤离。剑桥国际 |
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