D-9:drop in 顺便拜访
A:Would you mail a letter for me? My hands are full.
A:你替我发封信好吗？我现在很忙。
B:Oh, I'm sorry. I'm afraid I can't do it now. I have to meet my supervisor in a few seconds. But I could mail it after that.
B:对不起，恐怕现在不行，过一会儿我要见导师，但是见导师后我能替你邮。
A:That's fine. We're going to drop in and see Jimmy tonight.Don't forget it.
A:那也行，今晚我们顺便去拜访一下吉米，别忘了。
B:I won't.
B:忘不了。
A:Thanks. See you!
A:谢谢。回见！
B:Don't mention it. See you!
B：别客气。回见！
