under the sea短语²⁵²⁰⁰ 基本例句 🌏海底世界；在海底；小美人鱼 The epicenter was about40 kilometers under the sea off the coast of Miyagi prefecture. 该震源位于宫城县沿岸深度约40公里处。 hxen The1000m mining dredger is mainly used to mining the Mn resources about 1000-6000m under the sea water. 本文研究的1000米采矿船主要用于开采位于水下1000-6000米的锰资源。 cnki