Helium(He)

Helium(He)读音音标

Helium(He)意思解释

网络

氦

英英释义

Helium(He)

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

双语例句

1.\"

In

twoyearswewilldoanotherexperimentwith

the

sameequipment,butthis timewithmuonic

helium

,\"headded.“未来的两年我们会用相同的设备去做另一个（测量质子大小的）实验，但这次是用μ氢，”他补充道。2.

For

example,Helium(

He

)(Greek:\"

helios

\"=

\"the

sun

\") was found when light from the

sun

was studied

duringaneclipse

in

1868.比如说，氦（He）（希腊语：‘helios’=“太阳”）从一次1868年日食时候的太阳光中发现。