美[?k?m?k?l] 1 . Some of the companies illegally sent the wherewithal for making chemical weapons.
有些公司非法為制造化學(xué)武器提供所需的資金和設(shè)備等。
來自柯林斯例句
2 . The chemical structure of this particular molecule is very unusual.
這個特殊分子的化學(xué)結(jié)構(gòu)很不尋常。
來自柯林斯例句
3 . The chemical companies had amalgamated into a vast conglomerate.
那些化學(xué)品公司已經(jīng)合并成一個龐大的企業(yè)集團。
來自柯林斯例句
4 . Catalysts are materials which greatly speed up chemical reactions.
催化劑是可以大大加速化學(xué)反應(yīng)的物質(zhì)。
來自柯林斯例句
5 . The Department maintains many close contacts with the chemical industry.
這個部門與化工行業(yè)保持著眾多密切的聯(lián)系。
來自柯林斯例句
1.produced by or used in a reaction involving changes in atoms or molecules
2.relating to or used in chemistry;
chemical engineer
3.of or made from or using substances produced by or used in reactions involving atomic or molecular changes;
chemical fertilizer
