Flecainide
[化] 氟卡尼; 哌氟酰胺
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
How would you like to proceed with the negotiations?
你认为该怎样来进行这次谈判呢？
But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下，只是在现代对于科学史家来说，伽利略才变成一个新的难题。