Ugb
[醫(yī)][=undecalcified granulated bone]未脫鈣（異體）骨顆粒
??? 情景例句
How was it?
怎么樣？
I'm sorry. I was just playing football with my friends.
對不起，我只是和朋友去踢了足球。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人們認為，在1850年到1910年之間，野牛的頭數從6，000萬頭降到只有幾百頭了。