pre-oxygenation

基本解释

• n.预先呼吸氧

同根派生

英汉例句

• Water contains hydrogen and oxygen.
  水含有氢和氧。
• Oxygen enters into many compound bodies.
  氧是许多化合物的组成部分。
• Mars is too dry and poor in oxygen.
  火星上面过于干燥，并且缺乏氧气。
• Water is composed of hydrogen and oxygen.
  水由氢和氧组成。
• Fish take in oxygen through their gills.
  鱼通过鳃摄取氧气。