Petit's disease
[医] 腰三角疝
🧩 词语组成解析
🗣️ 情景例句
I hate to bring this up, but this is a nonsmoking zone.
对不起提醒一下，这儿是禁烟区。
Grand Central Station, please. I want to try to catch a 6:00 train.
请到中央火车站。我要赶六点的火车。
Good afternoon!
下午好！