Pericarditis
n. 心包炎\\n[医] 心包炎
🗣️ 情景例句
I'd like to introduce you to some of my friends.
我想介绍你认识一些我的朋友。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。