Pineumoretroperitoneum
腹膜后隙积气
🗣️ 情景例句
I hope you don't mind my asking, but I'd like to know.
我希望你不介意我向你打听一下，我想知道。
No. I've been in California for the past month.
没有，我刚到加利福尼亚去了一个月。
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。