hydrogen

英 [ˈhaɪdrədʒən]

美 [ˈhaɪdrədʒən]

n.  氢; 氢气

复数：hydrogens　

高考CET4CET6考研TOEFLIELTSTEM4TEM8化学

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 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。
• Water can be resolved [ decomposed] into hydrogen and oxygen.
  水可分解为氢和氧。
• 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。
• 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。
• 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。
• Hydrogen and oxygen are the constituents of water.
  氢和氧是水的主要成分。
• Qualitative analysis shows that water is made up of hydrogen and oxygen.
  定性分析表明水是由氢氧结合而成的。
• 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。
• Water is a compound containing the elements hydrogen and oxygen.
  水是含有氢元素和氧元素的化合物。
• 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。