n. the opening through which food is taken in and vocalizations emerge
n. the externally visible part of the oral cavity on the face and the system of organs surrounding the opening
n. an opening that resembles a mouth (as of a cave or a gorge)
n. the point where a stream issues into a larger body of water
n. 嘴, 口, 口腔, 口状物
vi. 装腔作势说话, 做鬼脸
vt. 说出, 做作地说
1. She opened her mouth to speak.
她张嘴准备说话。
2. Please don't talk with your mouth full.
请不要嘴里含着食物说话。
3. He smiled and showed his teeth with his mouth wide open.
他微笑着，嘴巴张得很大，露出了牙齿。