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
- No living things can live without oxygen.
没有氧生物就无法生存。 - Water is made up of atoms of hydrogen and oxygen.
水由氢和氧的原子构成。 - Oxygen is one of the basic elements of substance.
氧是物质的基本元素之一。 - Oxygen is vital to life.
氧是生命所必不可少的。 - Hydrogen and oxygen are the constituents of water.
氢和氧是水的主要成分。 - Water can be resolved [ decomposed] into hydrogen and oxygen.
水可分解为氢和氧。 - Among other reagents used have been titanousion, a mixture of ferrous ion, oxygen, ascorbic acid, and ethylenetetraaminetetraacetic acid.
使用过的其它试剂有亚钛离子、亚铁离子氧，抗坏血酸和乙四胺四乙酸混合物。 - 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 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。