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

• The first bubbles to escape from the liquid are a mixture of air and hydrogen.
  从该液体中最先逸出的气泡是空气和氢的混合物。
• Among the common toxic gases are sulfur dioxide, methane, the oxides of nitrogen, ammonia, hydrogen sulfide, and hydrogen cyanide; and ( most commonly) carbon monoxide.
  常见的有毒气体有二氧化硫、甲烷、氧化氮、氨、硫化氢、氰化氢以及最常见的一氧化碳。
• Some balloons are filled with hydrogen, some with helium.
  有的气球是用氢气充填的，有的则用氦气。
• 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。
• 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。
• Water contains hydrogen and oxygen.
  水含有氢和氧。
• Oxygen, hydrogen and nitrogen are all gases.
  氧气、氢气和氮气都是气体。
• Zinc displaces the hydrogen of dilute acids.
  锌置换了稀酸中的氢。
• 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。
• Acids produce positively charged hydrogen atoms when dissolved in water.
  酸在水中溶解时可生成带正电荷的氢原子。