单词	gas mask
释义	gas maskˈgas mask noun [countable] a piece of equipment worn over your face to protect you from poisonous gases, especially during a war
随便看	cervical cervix cesarean cesium cessation cession cesspool c'est la vie cetacean ceviche Ceylon cf. CFC CFO CGI ch. cha-cha cha-ching Chad Chadian chador chafe chaff chafing dish Chagall, Marc

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