P.a.
每年\\n[医] 髓轴的
🗣️ 情景例句
What?
什么？
What do you like best, apples, pears, or bananas?
苹果，梨，香蕉，你最喜欢哪个？
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。