Basis ossis sacri
[医] 骶骨底
🧩 词语组成解析
basis
['besɪs]
n. 基础;主要成分;基准，基本原则;
骨髓腔
🗣️ 情景例句
Oh, we have a lot to be thankful for.
啊，我们有很多需要感谢的事情。
Two dogs strive for a bone,the third runs away with it.
两狗相争一骨头，第三只狗衔起走。
Thank you very much.
太感谢了。