lip

/lɪp/

either of two fleshy folds of tissue that surround the mouth and play a role in speaking

中文释义：嘴唇

She bit her lower lip nervously while waiting for the exam results.

她紧张地咬着下唇等待考试结果。

The doctor advised him to apply lip balm regularly to prevent chapped lips in winter.

医生建议他定期涂抹润唇膏，以防冬天嘴唇干裂。