Ugb
[医][=undecalcified granulated bone]未脱钙（异体）骨颗粒
🗣️ 情景例句
I've put an X next to the place where you should sign.
我已在你该签名的地方后面标示了X。
The college was established in 1940.
该学院建立于1940年。
What we read influences our thinking.
我们所阅读的书本会影响我们的思想。