hydrogen

英 [ˈhaɪdrədʒən]

美 [ˈhaɪdrədʒən]

n.  氢; 氢气

复数：hydrogens　

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Collins.2 / BNC.5200 / COCA.5103

牛津词典

noun

• 氢；氢气
  a chemical element. Hydrogen is a gas that is the lightest of all the elements. It combines with oxygen to form water.

柯林斯词典

• 氢;氢气
  Hydrogenis a colourless gas that is the lightest and commonest element in the universe.

英英释义

noun

• a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas
  Synonym:Hatomic number 1

双语例句

• Water is made up of atoms of hydrogen and oxygen.
  水由氢和氧的原子构成。
• They have tested a hydrogen bomb.
  他们试验了一颗氢弹。
• They'd have a lot of hydrogen sulfide gas bound up in their cells.
  他们的牢房里有大量的硫化氢气体。
• A hydrogen leak forced NASA to ground the space shuttle.
  氢气泄漏迫使美国国家航空航天局停止了航天飞机的发射。
• The zirconium can react with water to produce zirconium oxide and hydrogen.
  锆可以和水反应，产生氧化锆和氢气。
• The classification, characteristics and current situation for method and technology of aluminum melt hydrogen removal has been summarized.
  概述了铝熔体除氢方法和技术的分类、特点和发展现状，并对其发展趋势进行了展望。
• And now I have to fill this molecular hydrogen.
  现在我填充了分子氢。
• Zinc displaces the hydrogen of dilute acids.
  锌置换了稀酸中的氢。
• This simple molecule consists of one oxygen atom and two hydrogen atoms.
  这个简单的水分子由一个氧原子和两个氢原子构成。
• Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats
  碳、氢、氧化合形成碳水化合物和脂肪。