helium

n. 氦

學術名詞

• 氦：化學元素、高中化學、地球科學、電機工程、礦冶工程、金屬材料
• 氦氣：藥學

英文釋義

1. 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)