Pineumoretroperitoneum
腹膜后隙积气
🗣️ 情景例句
Huh.
哦。
I worked at the grocery store yesterday.
我昨天在杂货店工作。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。