Mandibula
下颌骨
🗣️ 情景例句
Here's $ 100 for my ticket.
这是我的100美元。
I ate stream fish for lunch yesterday.
我昨天午饭吃的是清蒸鱼。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。