Ugb
[医][=undecalcified granulated bone]未脱钙（异体）骨颗粒
🗣️ 情景例句
What does he say?
他说了些什么？
Aren't you dressed too formally?
你穿的不是太正式化了吗？
An individual human existence should be like a river----
个人的存在应该像一条河流，