单词：helium
[化] 氦
考试类型：[托福]
helium的用法和样例：
例句
- Helium and neon are inert gases.氦和氖为惰性气体。
- Most big balloons are now filled with helium.现在许多大气球中充的是氦气。
词汇搭配
- helium cycle氦循环
- helium thermometer氦温度计
- helium pressurization压缩氦挤压
- helium star氦星
- helium tank氦气瓶
- helium burning氦燃烧
- helium syncope氦晕厥
- helium nucleus氦核
- helium dating氦年代测定法...
- helium speech氦语言
- helium injection通氦
- he他
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