更新时间：2026-07-07 23:45:01
helium是什么意思？
n.氦
- 单词
- helium
- 释义
- 简写符号: He
Noun:- 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)
- helium gas
- helium ion
- helium atom
- helium flow
- helium lamp
- helium star
- helium ship
- helium jet
- helicopter
- helium arc
- helium tube
- helix
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