Modals
n. <语法>情态动词( modal的复数形式 )
🗣️ 情景例句
No.
不
I ought to write a letter.
我应该写一封信。
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具，牙齿用来作项链。