forced breathing

例句：

1. 1.He was forced to breathe through his nose during the emergency.
   在紧急情况下，他被迫通过鼻子呼吸。
2. 2. The patient was in a coma and required forced breathing to keep him alive.
   病人处于昏迷状态，需要强制呼吸以维持生命。
3. 3.During the fire, people were forced to breathe through the smoke.
   火灾发生时，人们被迫通过烟雾呼吸。