| 单词 | 化学变化 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔COMPLICATED〕The chemical processes involved in the experiment are extremely complex. 该实验中的化学变化极其复杂。朗文写作活用〔chemical〕A substance with a distinct molecular composition that is produced by or used in a chemical process.化学品：化学变化过程中产生或使用的具有明显分子构成的物质美国传统〔combustion〕A chemical change, especially oxidation, accompanied by the production of heat and light.氧化：伴有发热发光的化学变化，尤指氧化美国传统〔conservation〕The maintenance of a physical quantity, such as energy or mass, during a physical or chemical change.守恒：在物理或化学变化过程中能量或质量等物理数量的维持原状美国传统〔electrolysis〕Chemical change, especially decomposition, produced in an electrolyte by an electric current.电解：电流在电解质内产生的化学变化，尤指分解美国传统〔fire〕A rapid, persistent chemical change that releases heat and light and is accompanied by flame, especially the exothermic oxidation of a combustible substance.火：散发出光和热并伴有火焰的迅速的、持续的化学变化，尤指易燃物质放热的氧化作用美国传统〔hydrated〕Chemically combined with water, especially existing in the form of a hydrate.含水的：经过化学变化与水结合的，尤指以水合物形式存在的美国传统〔occur〕These chemical changes occur naturally.这些化学变化是自然发生的。牛津搭配〔pinite〕A gray, green, or brown mineral similar to mica, formed by chemical alteration of other minerals, such as cordierite.块云母：类似云母的灰色、绿色或棕色矿物，由其它矿经化学变化形成，如堇青石美国传统〔process〕Coal forms by a slow process of chemical change.煤是由缓慢的化学变化形成的。朗文当代〔react〕Some kinds of acids react on metals to cause chemical changes.有几种酸对金属起作用，会引起化学变化。21世纪英汉〔show〕Chemical changes are shown on the chart as small circles.化学变化在图表上被标示为小圆圈。麦克米伦高阶〔stabilizer〕Chemistry A substance that renders or maintains a solution, mixture, suspension, or state resistant to chemical change.【化学】 稳定剂：使一种溶液、混合物、悬浮或状态不发生化学变化的物质美国传统〔test〕A physical or chemical change by which a substance may be detected or its properties ascertained.化验：由一种可被检测到的或其特征能被确定的物质引起的一种物理或化学变化美国传统These are physical changes while those are chemical changes. 这些是物理变化而那些是化学变化。译典通 |
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