Acoustic instruments on the submarine told us that there was a ridge at the bottom of the ocean, sitting transverse to the flow of ice.
潜艇上的声波仪器告诉我们，在海洋底部有一道海脊，横向坐落在冰流方向上。
Acoustic instruments on the submarine told us that there was a ridge at the bottom of the ocean, sitting transverse to the flow of ice.
潜艇上的声波仪器告诉我们，在海洋底部有一道海脊，横向坐落在冰流方向上。
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