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helium

英 /ˈhiːliəm/美 /ˈhiːliəm/
  • n.
    [化学]氦（符号为 He, 2号元素）
GMAT

双语例句

  1. Helium is a very light gas.
    氦是一种很轻的气体。
    来自《柯林斯英汉双解大词典》
  2. Atoms of hydrogen are fused to make helium.
    氢原子可熔合成氦。
    来自《牛津词典》
  3. Helium is a gas used in balloons.
    氦是一种用于气球的气体。
    来自《新英汉大辞典》

相关短语

  • liquid helium
    液氦；液态氦
  • helium flash
    氦闪
  • Helium drift
    氦漂移
  • helium survey
    氦气测量；氦测量；氦气丈量
  • Helium leak detector
    氦检漏仪；氦检漏器；氦探漏器；氦测漏器

词义分布

氦
73%
氦气
27%

英英释义

  • n.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)

词源

  • helium氦，氦气
    来自希腊语helios,太阳。因这种元素发现于太阳光谱中而得名。