breathing hazard

• 呼吸危害性

breathing hazard的用法和样例：

例句

1. The engineer in charge of design should be aware of this hazard and should build into the unit the necessary safety features to counter it.
   负责设计的人员必须注意到这种危害性，应当在装置中添加安全措施，用以清除这种危害。