Topocentric
a. 以地面上的某点为中心(测定)的,地面点的
🗣️ 情景例句
May I bring you a salad?
要不要来点沙拉呢？
I'm afraid you will miss your bus.
我怕你会错过公共汽车。
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。