oxygen
oxygen
英[ˈɒksɪdʒən]美[ˈɑːksɪdʒən]
n.氧（气）；
例句
No one is able to get by without oxygen.没有氧气人不能维持生命。
The shell has to be slightly porous to enable oxygen to pass in.外壳不得不有些细小的孔以便能使氧气通过。
No living things can live without oxygen.没有氧生物就无法生存。
Oxygen is one of the basic elements of substance.氧是物质的基本元素之一。
The heat brings about a chemical reaction, and oxygen is liberated.热量引起化学反应, 释放出氧气。
A chemist can isolate the oxygen from the hydrogen in water.化学家可以把水中的氢和氧分离开来。
Hydrogen combines chemically with oxygen to form water.氢和氧化合成为水。
Man cannot exist without oxygen.人没有氧气就不能生存。
When an element is caused to combine with oxygen it is oxidized.当使一种元素与氧化合时，即称其被氧化。
Coke burns with oxygen to give carbon dioxide.焦碳用氧气燃烧，产生二氧化碳。
英语六级真题
The higher one climbs, the less oxygen there is in the air.
出自-2012年12月听力原文You breathe less when you sleep, so you get less oxygen
出自-2012年12月听力原文Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
2015年12月六级真题（第二套）听力 Section C柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
氧；氧气
Oxygen is a colourless gas that exists in large quantities in the air. All plants and animals need oxygen in order to live.
例句
The human brain needs to be without oxygen for only four minutes before permanent damage occurs.人的大脑缺氧4分钟后便会造成永久性损伤。英汉词典释义
n.
〈化〉氧, 氧气
Oxygen is one of the basic elements of substance.氧是物质的基本元素之一。No living things can live without oxygen.没有氧生物就无法生存。英英词典释义
Noun
1. a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
行业词典
医学： 氧：一种气体元素，游离存在于空气中和结合于大多数非元素的固体、液体和气体中，原子序数为8，原子量为15.999，符号为O；氧有三种同位素，另两种的原子量分别为16.17和18(重氧)。按重量计，氧占空气的20％；氧是植物和动物呼吸中的必要物质；氧虽不燃，但却是支持燃烧所必需的；氧形成三代酸的特异成分。在某些肺病和心脏病时氧被用做吸入治疗剂；
电力： 水中溶氧分析器；oxygen-in-water analyzer；
