chemical substance

英 美
  • 化学物质
  • chemical adj.化学的n.药品;化学物
  • substance n.实质;物质;财产;内容;重要性
Noun:
  1. material produced by or used in a reaction involving changes in atoms or molecules

    1. Ammonia is a chemical substance.
      氨是种化学物质。
    2. This substance reacts twice faster than that one.
      这种化学物质比那种反应快两倍。

【邻近词汇】