Retrocopulation
[医]背位性交
🗣️ 情景例句
I have a lot of work to do to get ready for tomorrow.
我得为明天做许多准备工作。
Thanks a lot.
多谢。
I must finish that first. But I think I can be free at six. May I come then?
00可能有空。我那时来可以吗？