Microcavity
微腔
🗣️ 情景例句
Well, thanks.
噢 ，谢了。
Listen and repeat.
先听，然后再重复一遍。
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。