Sciatic spine
[医] 坐骨棘
🧩 词语组成解析
a. 髋部的, 坐骨的, 坐骨神经的\\n[医] 坐骨的
spine
[spain]
n. 脊柱;脊椎;（动植物的）刺;书脊;
🗣️ 情景例句
Thank you. Good-bye. Bye, Gerald.
谢谢。再见。Gerald 再见。
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事；人生总有不如意处。
Is there a cat in the tree?
树上有猫吗？