英语词汇“atomic number 7”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	atomic number 7
释义	atomic number 7 基本英英 🌏原子序数7 Noun: 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
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