Postbag
n. 邮袋
✅ 同义词
🗣️ 情景例句
I'm a photographer.
我是摄影师。
Same to you!
也祝你快乐！
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。