The mask might almost be a feed bag, except for the window panes and the enclosed ear muffs. (AP Photo)
实际上，所谓的防毒面具可能就是一个饲料袋，只不过眼部装了窗玻璃同时还配备了封闭的耳套。
They want to have a conversation with the dentist, so they can't just put a pair of ear-muffs on, they still want to hear a voice.
你不能使病人什么都听不见。他们想要和牙医进行交流，所以他们并不是单单带上一副耳罩就够了，他们还希望听到某些声音。
Hearing protectors - Safety requirements and testing - Part 5: active noise reduction ear-muffs.
听力保护器。安全要求和试验。第5部分：有源降噪耳罩。
Machine operators shall be provided with protective apparatus including ear-muffs and anti-dust aspirators.
同时为机械操作人员配备隔声、防尘的劳动保护用品。
Little Horse took out a match from one of his ear-muffs, lit it by striking it on the sole of his shoe, then cupped the flame in his small black hands to light the lamp.
小马儿在耳朵帽里找出根洋火，在鞋底儿上划着，用两只小黑手捧着，点着了灯。
Little Horse took out a match from one of his ear-muffs, lit it by striking it on the sole of his shoe, then cupped the flame in his small black hands to light the lamp.
小马儿在耳朵帽里找出根洋火，在鞋底儿上划着，用两只小黑手捧着，点着了灯。
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