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
Thank you, that was a great meal.
谢谢，真是一顿好饭。
Sorry, I guess I wasn't thinking. I won't do it again.
对不起。我对这事没想过，下次不这样了。
You should then establish your own individual aims.
然后，你一定要建立起自己的目标。