n. the protruding part of the lower jaw
v. raise oneself while hanging from one's hands until one's chin is level with the support bar
n. 下巴, 颏
[医] 颏
1. She rested her chin on her hands while thinking.
她在思考时把下巴靠在手上。
2. He has a small scar on his chin from a childhood accident.
他下巴上有一个小伤疤，是童年时的意外造成的。
3. The baby smiled and lifted his chin proudly.
宝宝微笑着自豪地抬起下巴。