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
OK. Keep those knees up.
好 ，膝盖抬高。
No,I'm not married.I'm still single.
没有,我没结婚，仍然是单身.
CUSTOMS OFFICER: Are your friends tourists too?
你们的朋友也是来旅游的吗？