| 单词 | 化学变化 |
| 释义 | 〔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〔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〔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〔corrode〕To destroy a metal or alloy gradually, especially by oxidation or chemical action:腐蚀：慢慢破坏金属或合金，尤指通过氧化或化学变化、腐蚀：〔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〔asbestos〕Either of two incombustible, chemical-resistant, fibrous mineral forms of impure magnesium silicate, used for fireproofing, electrical insulation, building materials, brake linings, and chemical filters.石棉：两种不纯镁硅酸盐的不燃、抗化学变化、纤维素矿物质形式中的一种，用作防火，电绝缘，建筑材料，煞车隔板和化学过滤器〔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〔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〔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〔give〕chemical changes that give off energy.释放能量的化学变化〔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 |
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