Mandibula
下颌骨
🗣️ 情景例句
Anything can I help you with?
有我能帮忙的地方吗？
I'm pleased to hear about your wife having a baby.
我很荣幸得知你太太生了一个小宝宝。
His work starts at half past eight, and finishes at a quarter to five.
30开始工作，4：45下班。