helium

常見例句

• Helium is a very light gas.
  氦是一種非常輕的氣體。
• Helium is a gas used in balloons.
  氦是一種用于氣球的氣體.
• Unlike helium - 4, it cannot be produced by radioactive decay.
  與氦 - 4不同之處是, 氦-3不能由放射性衰變產(chǎn)生.
• Helium is a very light gas.
  氦是一種非常輕的氣體。
• Helium is a gas used in balloons.
  氦是一種用于氣球的氣體.
• Unlike helium - 4, it cannot be produced by radioactive decay.
  與氦 - 4不同之處是, 氦-3不能由放射性衰變產(chǎn)生.
• The helium - 3 apparently became trapped when the earth was formed.
  顯然,當?shù)厍蛐纬蓵r,氦 - 3就被圈閉了.
• After hydrogen, the atom with the simplest structure is that of helium.
  在氫元素之后, 氦的原子結(jié)構(gòu)最簡單.
• Hydrogen might be depleted with some of it turning into helium.
  氫可能被耗盡,一部分變?yōu)楹?
• The discovery also explains why helium is found in radioactive mineral deposits.
  這個發(fā)現(xiàn)也解釋了為什么在放射性礦渣中找到了氦.
• A fountain of helium spurt out of the tube.
  有一股氦的噴泉從小管中噴出.
• Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
  α粒子是從天然放射性蛻變得到的帶正電的氦核.
• The bizarre behavior of superfluid helium has attracted many able theorists.
  超流體氦這些異乎尋常的行為吸引了許多有才干的理論物理學(xué)家.
• Helium is a noble gas.
  氦氣是惰性氣體.
• Helium and neon are inert gases.
  氦和氖為惰性氣體.
• Most big balloons are now filled with helium.
  現(xiàn)在許多大氣球中充的是氦氣.
• Helium and neon measurements provide further evidence that the earth was not completely melted.
  氦和氖的測定,提供了更多的關(guān)于地球并非全部熔融的證據(jù).
• Alpha particles -- helium nuclei -- were being hurled through the tube, in which an artificial mist had been created.
  粒子 —— 氦核 —— 正通過試管被拋出, 從而在試管中形成人造迷霧.
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