Xantholite
十字石
🗣️ 情景例句
This is my wife Marilyn.
这是我太太Marilyn。
One way or a round trip ticket?
单程票还是双程票呢？
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。