单词 | 戴于脸部之上 |
例句 | DEFINITIVE EXAMPLES 权威例句〔gas mask〕A respirator that contains a chemical air filter and is worn over the face as protection against toxic gases and aerosols.防毒面具:一种人工呼吸器,含有化学气体过滤器,戴于脸部之上,用来防止毒气或烟雾美国传统 |
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