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mouth-piece的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 mouthpiece:
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a part that goes over or into the mouth of a person
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an acoustic device; the part of a telephone into which a person speaks
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a spokesperson (as a lawyer)
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(especially boxing) equipment that protects an athlete's mouth
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the tube of a pipe or cigarette holder that a smoker holds in the mouth
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the aperture of a wind instrument into which the player blows directly
