Dorsispinal veios
[医] 脊背静脉
🧩 词语组成解析
[医] 脊柱背侧的
🗣️ 情景例句
I went back for it, but the ferry was gone.
等我回去找的时候 船已经开走了。
Who would you name as the greatest poet of our time?
你认为当代最伟大的诗人是谁？
What happened before printing was invented?
印刷术发明以前是怎么一回事？