Periproctitis
直肠周炎
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
What school did you go to?
你在哪里上学？
What's the time?
几点了？