Verp
[医][=ventricular effective refractory period]心室有效不应期
🗣️ 情景例句
So do I.
我也想。
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
His cake is four times as big as mine.
他的蛋糕是我的四倍大。