Mandibles
n. 下颌骨；上颚, 嘴的上部
🗣️ 情景例句
Go by the book.
照章办事。
I think you have very attractive children.
我认为你有很吸引人的孩子。
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。