Flecainide
[化] 氟卡尼; 哌氟酰胺
🗣️ 情景例句
When's the last time you took a vacation?
上次你去度假是什么时候？
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
To know everything is to know nothing.
样样通，样样松。