inert gas
英
美
- gas n.煤气;气体;汽油;空话vt.使吸入毒气;毒(死);给...加汽油vi.空谈;加汽油
- inert adj.无行动的;惰性的;迟钝的
Noun:
-
any of the chemically inert gaseous elements of the helium group in the periodic table
- Helium and neon are inert gases.
氦和氖为惰性气体。
- It is not necessary to replace air with inert gas.
不必用惰性气体置换空气。