Sasd
结构化分析和结构化设计
🗣️ 情景例句
He is fun to be with.
与他相处很有趣。
How long have you lived here?
你住在这里多久了？
No, thanks. I think I'd like a bottle of orange. What about you?
不，谢谢，我想来瓶橙汁。你呢？