释义 |
chemical substance短语²⁹⁴⁸⁷ 基本英英近义反义例句例句 化学物质
Noun: material produced by or used in a reaction involving changes in atoms or molecules近义词 chemical化学的 Ammonia is achemical substance.氨是种化学物质。 This substance reacts twice faster than that one.这种化学物质比那种反应快两倍。 The chemical substance extraction test and cell relative growth rate test were car-ried out on the4 kinds of medical heat vulcanizing silicone rubbers from China and foreign countries. 本研究对国内外4种医用热硫化硅橡胶进行了制品溶出液的紫外吸收度测定和体外细胞相对增殖度试验。 cnki |