oxygen
英 [ˈɒksɪdʒən]
美 [ˈɑːksɪdʒən]
n. 氧; 氧气
复数：oxygens
Collins.2 / BNC.3719 / COCA.3839
牛津词典
noun
- 氧；氧气
a chemical element. Oxygen is a gas that is present in air and water and is necessary for people, animals and plants to live.
柯林斯词典
- N-UNCOUNT 氧；氧气
Oxygenis a colourless gas that exists in large quantities in the air. All plants and animals need oxygen in order to live.- 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。
- The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
英英释义
noun
- a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas
双语例句
- The brain requires a constant supply of oxygen
大脑需要持续供氧。 - Water can be resolved [ decomposed] into hydrogen and oxygen.
水可分解为氢和氧。 - Water contains hydrogen and oxygen.
水含有氢和氧。 - Ozone is a highly reactive form of oxygen gas.
臭氧是一种非常活跃的氧气形态。 - The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.
这种药增加了血液里的红细胞数量，从而将摄氧量提高了10%。 - Hydrogen combines chemically with oxygen to form water.
氢和氧化合成为水。 - Water is composed of hydrogen and oxygen.
水由氢与氧化合而成。 - He had the presence of mind to put his emergency oxygen tube in his mouth.
他镇定自若地把应急输氧管放进了自己的嘴里。 - Oxygen is vital to life.
氧是生命所必不可少的。 - Oxygen is one of the basic elements of substance.
氧是物质的基本元素之一。