gas helmet
英
美
- gas n.煤气;气体;汽油;空话vt.使吸入毒气;毒(死);给...加汽油vi.空谈;加汽油
- helmet n.头盔;安全帽
Noun:
-
a protective mask with a filter; protects the face and lungs against poisonous gases
用作名词 (n.)
- They contrived a mask against poison gas.
他们设计了一种防毒面具。
- Rioters donned handkerchiefs as gas masks.
暴乱者扎上手帕捂住口鼻作为防毒面具。