helium读音_例句
helium 朗读
helium
音标：英[ˈhi:liəm] 美[ˈhiliəm]
helium翻译
helium双语用法和例句
- 1 . 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
- 2 . Helium is a very light gas.
- 氦是一种非常轻的气体。
来自柯林斯例句
- 3 . 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》
- 4 . 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
- 5 . 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
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