(noun.) the aperture of a wind instrument into which the player blows directly.
(noun.) the tube of a pipe or cigarette holder that a smoker holds in the mouth.
(noun.) an acoustic device; the part of a telephone into which a person speaks.
(noun.) (especially boxing) equipment that protects an athlete's mouth.
(noun.) a part that goes over or into the mouth of a person; 'the mouthpiece of a respirator'.
(noun.) a spokesperson (as a lawyer).
欧文录入
整理:劳拉