氧气

mì fēng de fēi jī nèi hěn shǎo xū yào bǔ chōng yǎng qì

密封的飞机内很少需要补充氧气。

Supplementary oxygen is rarely needed in pressurized aircraft.

tài kōng rén xiǎn rán yǒu zú gòu de yǎng qì wéi shēng

太空人显然有足够的氧气维生。

While the astronauts appear to have enough oxygen to keep them alive.

yī qiè shēng mìng guī gēn dào dǐ dōu yào yī lài yǎng qì

一切生命归根到底都要依赖氧气。

All life depends ultimately on oxygen.

yǎng qì bù zú

氧气不足

have a lack of oxygen

yǎng qì liàn gāng

氧气炼钢

oxygen steelmaking

yǎng qì zhuāng zhì

氧气装置

oxygen unit

chǎn shēng yǎng qì

产生氧气

produce oxygen

hū xī yǎng qì

呼吸氧气

breathe oxygen