Beau's disease
[医] 博氏病, 心机能不全
🧩 词语组成解析
🗣️ 情景例句
Oh, here are my certificate of merit.
哦，这里是我的获奖证书。
I really should be on my way.
我真的该告辞了。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。