氧气瓶

wǒ men měi jià fēi jī zhì shǎo xié dài yī zhī yǎng qì píng yǐ bèi fēi jī shang jí yòng

我们每架飞机至少携带一只氧气瓶，以备飞机上急用。

All our aircraft carry at least one oxygen cylinder for emergency use on board.

suí shēn dài zhe yǎng qì píng duō lèi rén a

随身带着氧气瓶多累人啊！

It is very tired to carry oxygen bottles.