helium
英 ['hiːlɪəm]
美['hilɪəm]
- n. [化学] 氦（符号为He，2号元素）
实用场景例句
- Helium is a very light gas.
- 氦是一种非常轻的气体。
柯林斯例句
- Helium is a gas used in balloons.
- 氦是一种用于气球的气体.
《现代汉英综合大词典》
- 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.
英汉非文学 - 科技
- 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.
英汉非文学 - 科技
- 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.
辞典例句
- Hydrogen might be depleted with some of it turning into helium.
- 氢可能被耗尽,一部分变为氦.
辞典例句
- The discovery also explains why helium is found in radioactive mineral deposits.
- 这个发现也解释了为什么在放射性矿渣中找到了氦.
辞典例句
- A fountain of helium spurt out of the tube.
- 有一股氦的喷泉从小管中喷出.
辞典例句
- Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
- α粒子是从天然放射性蜕变得到的带正电的氦核.
辞典例句
- The bizarre behavior of superfluid helium has attracted many able theorists.
- 超流体氦这些异乎寻常的行为吸引了许多有才干的理论物理学家.
辞典例句
- Helium is a noble gas.
- 氦气是惰性气体.
辞典例句
- Helium and neon are inert gases.
- 氦和氖为惰性气体.
辞典例句
- Most big balloons are now filled with helium.
- 现在许多大气球中充的是氦气.
辞典例句
- Helium and neon measurements provide further evidence that the earth was not completely melted.
- 氦和氖的测定,提供了更多的关于地球并非全部熔融的证据.
英汉非文学 - 科技
- Alpha particles -- helium nuclei -- were being hurled through the tube, in which an artificial mist had been created.
- 粒子 —— 氦核 —— 正通过试管被抛出, 从而在试管中形成人造迷雾.
英汉非文学 - 科学史