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[计] 后援文件
🗣️ 情景例句
Hi, Tom. How are you doing?
喂，汤姆。你好吗？
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
If you're free, how about lunch?
有空的话一起吃顿中饭如何？