Paf
[医][=paroxysmal atrial fibrillation]阵发性心房纤维颤动, 阵发性心房颤动
🗣️ 情景例句
Breathe, Albert!
呼吸呀， Albert。
I will happily admit that I am as nervous as a cat on a hot roof.
我承认现在我非常紧张，像热锅上的蚂蚁一样。
Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.
当他们从一个营地搬到另一个营地去的时候，他们就可以利用这些野马来运载货物。既然土著人会骑马了，猎取野牛也就容易了。这种野牛以前是成群结队地生活在美洲平原上的。