Presystole
[医] [心]收缩前期
🗣️ 情景例句
I hope to be able to join the school band.
我想加入学校的乐队。
Are your neighbors vey friendly?
你的邻居友好吗？
Excuse me. May I have a piece of paper, please?
请问，我可以要一张纸吗？