helium
/'hi:liәm/
柯林斯星级
BNC频率: 17116
现代语料频率: 11819
中文翻译
n. 氦
[化] 氦
英文解释
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)