Pineumoretroperitoneum
腹膜后隙积气
🗣️ 情景例句
Unbelievable!
真不敢相信！
Two heads are better than one.
集思广益。
On the day before our departure, several bus loads of tourists descended on the town.
我们离开小镇的前一天，镇上来了几辆满载游客的公共汽车。