名词
中文翻译：耳罩
同义词：
['earphone cover', 'earphone case', 'earplug cover']
例句：
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1. Heput on his earphones and started to listen to music.
他戴上耳机开始听音乐。
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2. The engineer carefully placed the earphone cover over the headphones.
工程师小心地把耳机套放在耳机上。
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3. She took off her earphone cover and put them back in their case.
她脱下耳机套，把它们放回盒子里。