您要查找的是不是:
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygenic terpenoid 含氧萜类
- 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。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体,例如细菌
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。
- It adapts itself to water with low oxygen content. 它能适应含氧量少的水。
- An oxide containing three oxygen atoms per molecule. 三氧化物每个分子中含有三个氧原子的氧化物
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- Sheets of oxygenic paper aid in maintaining color. 含氧的纸张有助於避免褪色。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- If air is needed, the oxygen mask in the plane will pop down by itself. 如果空气缺乏,飞机内的氧气面罩会自动放下。