Valvulitis
n. 心瓣炎\\n[医] 瓣炎; 心瓣炎
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
All this time Dick has only thought of his own future.
近些时来，迪克老是在思考自己的将来。
What happened before printing was invented?
印刷术发明以前是怎么一回事？