| 单词 | chemical substance |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔antagonism〕Biochemistry Interference in the physiological action of a chemical substance by another having a similar structure.【生物化学】 对抗作用：一种化学物质被另一种具有类似结构的化学物质进行的生理行为干涉美国传统〔antagonist〕Biochemistry A chemical substance that interferes with the physiological action of another, especially by combining with and blocking its nerve receptor.【生物化学】 拮抗药，对抗药：通过与另一种化学物质的结合或阻碍其神经接受体而干扰其生理作用的一种化学物质美国传统〔biochemistry〕The study of the chemical substances and vital processes occurring in living organisms; biological chemistry; physiological chemistry.生物化学：对生物中化学物质和生命过程的研究；生物学化学；生理学化学美国传统〔controlled substance〕A drug or chemical substance whose possession and use are regulated under the Controlled Substances Act.管制药物：对其拥有或使用受到《管制物质法案》制约的药物或化学物质美国传统〔drug〕A chemical substance, such as a narcotic or hallucinogen, that affects the central nervous system, causing changes in behavior and often addiction.毒品：一种化学物质，如麻醉剂或迷幻剂，能影响中枢神经系统，导致行为的改变并易吸食成瘾美国传统〔fungicide〕A chemical substance that destroys or inhibits the growth of fungi.杀真菌剂：杀死真菌或抑制其生长的化学物质美国传统〔herbicide〕A chemical substance used to destroy or inhibit the growth of plants, especially weeds.灭草剂：用来摧毁或抑制植物，尤指杂草的生长的化学物质美国传统〔insecticide〕A chemical substance used to kill insects.杀虫剂：用于杀虫的一种化学物品美国传统〔intoxicate〕To stupefy or excite, as by the action of a chemical substance such as alcohol.使喝醉：使麻木或使兴奋，通过例如酒精等化学物质的作用美国传统〔intoxication〕Stupefaction or excitement by the action of a chemical substance.迷醉：化学物质发挥效用所引起的恍惚或是兴奋美国传统〔narcosis〕A condition of deep stupor or unconsciousness produced by a drug or other chemical substance.麻醉：由麻醉剂或其它化学药品引起的深度昏迷或无意识状态美国传统〔neurotransmitter〕A chemical substance, such as acetylcholine or dopamine, that transmits nerve impulses across a synapse.神经传送体：通过神经键传递神经脉冲的化学物质，如碱性有机化合物或多巴胺美国传统〔passive transport〕The movement of a chemical substance across a cell membrane without expenditure of energy by the cell, as in diffusion.被动运输：化学物质穿过细胞膜而不需消耗细胞能量的运动，如在扩散中美国传统〔rodenticide〕A chemical substance used to kill rodents.灭鼠剂：一种用于杀灭啮齿目动物的化学物质美国传统〔vitamer〕One of two or more related chemical substances that fulfill the same specific vitamin function.类维生素：两种或两种以上的相关化学物质之一，起同样特定维生素功能美国传统Celery contains a valuable chemical substance that helps lower blood pressure.芹菜含有一种有助于降低血压的珍贵的化学物质。剑桥国际The cream contained extracts of/from (= chemical substances extracted from) several plants.这种美容霜包含几种植物的提取物。剑桥国际They use special chemical substances to accelerate the growth of crops.他们使用特殊的化学物质来促进农作物的生长。剑桥国际 |
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