Common Meanings
1
hài氦
Helium, a colorless, odorless, non-reactive gaseous element, used for filling balloons, in cryogenic applications as a coolant, and in neon lights.
氦气球在节日庆典中很受欢迎，因为氦气比空气轻。
Helium balloons are very popular in festive celebrations because helium is lighter than air.