Intercuspation
牙尖吻合
🗣️ 情景例句
I'm really concerned about them,
我真的为他们担心，
How will we know whether it can have a positive effect on the company?
我们怎么会知道它对公司能有积极的效果呢？
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。