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
How many days will it take for my mail to reach its destination?
我的信件到达目的地要用几天？
I'm afraid you will fail.
我怕你会失败。
Are there any boats in the picture?
画里面有船吗？