Postgnathal
后颚的
🗣️ 情景例句
Relax, Harry.
不要紧张 ，Harry。
Oh, I'll probably just stay home.
哦，我可能就呆在家里了。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，