L'dwyer's tube
[医] 奥德外耶氏管(插管套管)
🧩 词语组成解析
🗣️ 情景例句
My mother and father
我父母
Every country has its customs.
乡有乡俗。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，