oxygen

oxygen

['ɔksidʒən]

n.氧, 氧气

例句与用法：

Water contains hydrogen and oxygen.

水含有氢和氧。

Oxygen masks are used in aircraft only in emergencies.

飞机上的氧气面具只用於紧急情况。

Hydrogen and oxygen are gases.

氢和氧是气体。

Fish take in oxygen through their gills.

鱼通过鳃摄取氧气。

Water is composed of hydrogen and oxygen.

水由氢和氧组成。

Plants can absorb carbon dioxide and release oxygen.

植物可以吸收二氧化碳释放氧气。

There was a shortage of oxygen at the top of the mountain.

山顶上缺氧。

She died from lack of oxygen.

她因缺氧而死。

词形变化：

形容词: oxygenic | 副词: oxygenically | 简写符号: O |

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n.

【化】氧; 氧气[U]