海洋上的

例句：

1. 1. The ship sailed across the vast ocean.
   这艘船驶过了广阔的海洋。
2. 2. The sailors were exhausted from their long voyage across the ocean.
   水手们在长途航行后筋疲力尽。
3. 3. The underwater creatures are a mystery to us, as we have never set foot on an ocean floor before.
   水下生物对我们来说是一个谜，因为我们从未踏上过海洋底部。