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reactant是什么意思

reactant

美[ri'æktənt]  英[ri'æktənt]
n.  [化]反应物

英英释义

Noun
  1. a chemical substance that is present at the start of a chemical reaction

例句

用作名词(n.)
  1. Oxygen is often used as reactant in chemical processes.在化学过程中,氧气经常充当为反应物。
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