The Great Barrier Reef in Australia is the biggest living structure on Earth.

澳大利亚的大堡礁是地球上最大的生物结构zW5^~61W#)^P!C;7。

Sea stars don't have brains.

海星没有大脑.iNn[vO-n009MYIp。

Duh?

咄？

Scientists know more about the surface of the Moon than the bottom of the ocean.

科学家对月球表面的了解比对海底的了解多t6)u!SkNo26l9PlqjI。