- which live on floating objects in the open ocean.
生活在海上的漂浮物体上 - Columbus crabs were once only found on natural debris,
哥伦布蟹曾经只能在天然漂浮物上发现 - like driftwood or seaweed,
比如浮木或者海藻上 - but the oceans are changing,
但海洋一直在变化 - and they've been forced to adapt.
它们不得不适应新的环境 - The best place to find Columbus crabs
最容易从中找到哥伦布蟹的 - is in plastic
是塑料