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
I had planned to wear them.
我早就预备戴它们。
Did you work all day?
你整天工作吗？
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。