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词汇 noble gasses
释义 noble gasses
基本英英例句
惰性气体

名词 noble gas:
any of the chemically inert gaseous elements of the helium group in the periodic tableThese facts show that the closed configurations of the noble gases are most difficult to disturb by removal of a electron.这些事实表明,对惰性气体的闭合电子组态,要移去一个电子以破坏其组态是最困难的。
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