Rami ossis ischii
[医] 坐骨支
🧩 词语组成解析
ramus 的复数
骨髓腔
🗣️ 情景例句
Why is that necessary?
为什么有此必要
No joy without annoy.
喜中有忧。
He is very happy to see his wife.
丈夫见到他妻子，很高兴。