Diarthrosis
n. [医]动关节
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
My brother was discharged from hospital last week.
我兄弟是上周出院的。
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。