Biellipticity
双椭圆率
🗣️ 情景例句
What else?
还有什么？
Dying is as natural as living.
死亡与生存一样自然。
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。