1 sentence

1. 深海潜水员在上升过程中需要进行减压以防止减压病。

   shēn​hǎi qián​shuǐ​yuán zài shàng​shēng guò​chéng zhōng xū​yào jìn​xíng jiǎn​yā yǐ fáng​zhǐ jiǎn​yā​bìng.

   Deep-sea divers need to decompress during ascent to prevent decompression sickness.

   Source: Dong Chinese Dictionary