Two miles down, you finally reach the ocean floor. 再往下三公里 终于抵达了洋底

183. A gulper eel.
     吞鳗
184. Its giant, extendable mouth
     它巨大且可伸展的嘴部
185. can engulf prey larger than its own body.
     可以吞下比自身还大的猎物
186. Two miles down, you finally reach the ocean floor.
     再往下三公里 终于抵达了洋底
187. We know more about the surface of Mars.
     相比于此 我们对火星表面的了解还更多一些
188. The pressure of the water is 300 times greater than at the surface...
     这里的水压是海面处的300倍
189. ..and it's freezing cold.
     而且十分寒冷

来自《行星地球 第三季 第二集 Planet Earth S03E02 海洋》第 186 行