Posterointenal
[医] 后内的
🗣️ 情景例句
Why can't you do both?
为什么不能两样一起做？
Do you ever study English on Sunday?
你曾经在星期日学英文吗？
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。