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nitrogen英英释意- 查字库
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nitrogen

英 ['naɪtrədʒ(ə)n] 美['naɪtrədʒən]
  • n. [化学] 氮

英英释意


1. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues