Acuticostal
肋骨凸出的
🗣️ 情景例句
It's Carl's birthday,
今天是Carl的生日，
Will you please lock the door when you leave?
请您当你离开时，锁门？
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我们喜欢入迷地看它们做事，它们不知道（但愿如此）我们就在它们身边。