Keld
落水管弯头；落水洞河外流处；河流静水区
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
What is the number?
号码是多少？
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。