oxygen

名词[化]氧，氧气

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2. 氧反常：通过此页你可以了解:什么(谁)是氧反常(oxygen)、氧反常(oxygen)的意义(介绍)、氧反常(oxygen)的(具体)相关内容.

1. 氧；氧气
    Oxygen is a colourless gas that exists in large quantities in the air. All plants and animals need oxygen in order to live.

    e.g. 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。

1. He was so cash strapped that he had to borrow money to buy oxygen for his welding equipment.

2. Investigators also have been examining whether a sudden decompression sucked oxygen out of the cabin and cockpit and rendered those on board unconscious.

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3. An initial investigation showed the poisoning might be caused by nitrite, which can lead to deficiency in the amount of oxygen reaching human's body tissues.

4. The small canyon is a perfect place for scientific expedition and education, and also a natural oxygen bar and summer resort with lush vegetation.

5. The environmental protection index will include capital input in the areas of environmental protection, annual sulfur dioxide emission and chemical oxygen demand.

6. Appa said most climbers carry down garbage such as food packages, empty oxygen tanks and rope but leave behind human waste.

7. The oxygen they released into the atmosphere allowed for more complex cellular structures to develop, and thus the eukaryotic cell was born.

8. They charge about 5 yuan for most injections or the use of an oxygen machine.

9. Partial blockages can cause chest pain as the heart struggles to get by on less oxygen and nutrients than it needs.

10. Hot stones stimulate circulation and transport oxygen to tired and tense muscles, while the full body massage leaves you feeling tension free.

noun