陆地上的大多数动物我们都知道，但水下的许多生物却不为人所知。
Most animals on land are known to us, but many living things underwater are not.
向外看，就能望见一个布满海洋生物和水下冒险的世界。
Look outside and see a world brimming with sea creatures and water adventure.
向外看，就能望见一个布满海洋生物和水下冒险的世界。
Look outside and see a world brimming with sea creatures and water adventure.
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