a small relative of shrimps and crabs. 与虾和螃蟹有一定的亲戚关系
No one knows why the creatures here are so small 没人知道为什么这里的动物这么小
The Californian upwellings are seasonal and relatively small 加利福尼亚寒流是季节性洋流,相对较小.
but finding enough food to survive is so challenging that most animals living here tend to be small 但由于寻找食物是个巨大的挑战 因此很多雨林生物都长得很小巧
In the jungle there's competition for everything, even a small water filled pitcher plant. 雨林中到处都有竞争 即使在猪笼草的小小水域里
Each piglet may be small enough to fit in the palm of a hand, 每一只小猪都小得可以放在手掌心上
In fact, most small desert creatures are nocturnal. 事实上 大多数小型沙漠动物 都是夜行动物
seems to be restricted to just two small caves. 可能只存在于两个较小的洞穴中