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
The interview and conversation between us in Beijing are quite useful and inspiring.
我们在北京的会面和谈话是十分有益和令人鼓舞的。
She is at a loss as what to do.
她不知怎么办才好。
What did she want?
她想要什么？