breather

例句：

1. 1.The patient needed to be given oxygen to help him breathe.
   病人需要被给予氧气以帮助他呼吸。
2. 2. The man was a breather for the firefighters.
   这个男人是消防员的喘息之源。
3. 3.The baby needs to be taken out of its crib and allowed to breathe more freely.
   婴儿需要被从婴儿床中抱出来，让它自由地呼吸。