gas mask
英 [ˈɡæs mɑːsk]
美 [ˈɡæs mæsk]
n. 防毒面具
Collins.1
牛津词典
noun
- 防毒面具
a piece of equipment worn over the face as protection against poisonous gas
柯林斯词典
- 防毒面具
Agas maskis a device that you wear over your face in order to protect yourself from poisonous gases.