Waiting for childbirth, avoid panic, to avoid the forcedbreathing, to minimize the walk, take the most comfortable position lying down or side, try to relax.
在等待分娩期间，应避免慌张，避免用力呼吸，尽量减少走动，采取最舒服的姿势平躺或侧卧，尽量放松心情。
2
People are forced to wear the mask to avoid breathing poisonous air.
人们被迫戴着面具，避免呼吸有毒空气。
3
Breathing air was forced through ducts filled with copper pot scrubbers.