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
- All the cells and tissues in the body benefit from the increased intake of oxygen.
体内所有的细胞与组织都从增加的氧气吸入量中受益。 - Ozone is a highly reactive form of oxygen gas.
臭氧是一种非常活跃的氧气形态。 - If headaches only occur at night, lack of fresh air and oxygen is often the cause
如果只是在晚上头疼，那常常是由于缺乏新鲜空气和氧气的缘故。 - The explosive mixture in a rocket consists of both a fuel and a supply of oxygen.
火箭中的爆炸性混合物由燃料和氧气构成。 - It is 2,300 metres above sea level, so a given volume of air contains only about one-third as much oxygen as it would at sea level
这是在海拔2,300米的高空，因此一定体积空气的含氧量只有海平面处的约1/3。 - Supplementary oxygen is rarely needed in pressurized aircraft
密封的飞机内很少需要补充氧气。 - Oxygen is one of the basic elements of substance.
氧是物质的基本元素之一。 - 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。 - Plants and trees filter carbon dioxide out of the air and produce oxygen.
花草树木会过滤掉空气中的二氧化碳并制造氧气。 - 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。