Hydrogen combines with oxygen to form water.
氢与氧化合成水。
Again the implication is that yawning has little or nothing to do with oxygen.
这再次暗示着打哈欠与氧气几乎没有关系。
里面充满了氧气。
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。
They can provide us with oxygen and fight against the pollutants.
他们可以为我们提供氧气，与污染物抗争。
铁可以与氧气发生化学反应。
The carbon matter combines with oxygen.
碳物质可以与氧气结合。
Carbon combines with oxygen to form carbon oxides.
碳与氧化合后便构成碳氧化合物。
Carbon combines with oxygen to form carbon oxides.
碳同氧化合形成多种氧化碳。
That is why passenger planes are equipped with oxygen masks.
所以客机装备了氧气面罩。
When an element is caused to combine with oxygen it is oxidized.
某种元素同氧气化合就叫做氧化。
He will wear a pressure suit and a sealed helmet supplied with oxygen.
他的行头是一身加压服和一个密封的、充满氧气的头盔。
The wood chippings are showered with dirty water enriched with oxygen.
富含氧气的脏水冲刷碎木屑。
Oxide: Compound produced when an element has chemical action with oxygen.
氧化物：元素与氧作用而产生的化合物。
The process of combining with oxygen is oxidation, of which burning is one type.
与氧化合的过程就是氧化，燃烧就是其中的一种。
Being stable in air at ordinary temperature, mercury combines with oxygen if heated.
虽然常温下水银在空气中是稳定的，但给它加热的话，就与氧化合。
Being stable in air at ordinary temperature, mercury combines with oxygen if heated.
虽然常温下水银在空气中是稳定的，但给它加热的话，就与氧化合。
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