Underjaw
下颌
🗣️ 情景例句
Okay, hold on a second. I'll talk to him.
好的，我跟他说，你等一下。
Glad to have been of help.
我很高兴能给您帮个大忙。
The bridge is so long that the shape of the earth had to be taken into account by its designer.
由于桥身太长，设计者不得不考虑了地表的形状。