helium

helium读音音标

英 [ˈhi:liəm]

美 [ˈhiliəm]

helium意思解释

n.

氦；

英英释义

n.

a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)

同义词：Heatomic number 2

词组短语

liquid helium

helium gas

双语例句

用作名词(n.)Helium and neon are inert gases.氦和氖为惰性气体。Most big balloons are now filled with helium.现在许多大气球中充的是氦气。