Spina ischiadica
[医] 坐骨棘
🧩 词语组成解析
[医] 棘, 刺; 脊柱
🗣️ 情景例句
She is busy now.
她正忙着呢。
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
Did you telephone Li Lei?
你给李磊打电话了吗？