单词unreactive
adj.: 〔化〕不活跃；无反应的；惰性的
网络: 不起反应的；化学上惰性；平淡
惰性的
无反应的
〔化〕不活跃
As the nearly unreactive diatomic molecule N2, it is useful as an inert atmosphere or to dilute other gases.
它是最稳定的双原子分子N2，可用来产生惰性的气体氛围，或用于稀释气体。
So the discovery of the unreactive monatomic gas argon by Lord Rayleigh and William Ramsay in 1895 came as a total surprise.
所以，氩的发现完全出乎人们意料：在1895年，瑞利男爵和威廉拉姆齐爵士发现了不反应的单分子气体氩。
In fact, most alkanes are unreactive except in extreme conditions, such as combustion or strong sunlight.
大多数烷烃并不活泼，除非在极端情况下，如燃烧和强烈阳光。
It is a dense, hard, unreactive, silvery gray metal with an extremely high melting point (5, 425 f [2, 996 c]).
是一种高密度、坚硬、银灰色的金属，熔点极高（2,996℃）。