详细释义
- 【化】氦
- 盐沼泽群落
n. (名词)
英英释义
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)
双语例句
- 1. Helium is a very light gas.
- 氦是一种非常轻的气体。
来自柯林斯例句
- 2. Helium is a gas used in balloons.
- 氦是一种用于气球的气体.
来自《现代汉英综合大词典》
- 3. Unlike helium - 4, it cannot be produced by radioactive decay.
- 与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.
来自英汉非文学 - 科技
- 4. The helium - 3 apparently became trapped when the earth was formed.
- 显然,当地球形成时,氦 - 3就被圈闭了.
来自英汉非文学 - 科技
- 5. After hydrogen, the atom with the simplest structure is that of helium.
- 在氢元素之后, 氦的原子结构最简单.
来自辞典例句
- 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。
用作名词 (n.)
用法讲解
- 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
相关词汇
- he 他
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