Each is a transparent sheath of plastic 17-metres long, mostly underwater, held in place by a floating collar.

每个都是17米长的塑胶套子，大部分淹没于水下，由一个浮动的环状装置固定住。

It's an ugly sweater with red plastic buttons and a collar and sleeves all stretched out like you could use it for a jump rope.

这是一件丑丑的毛衣，钉着红色塑料纽扣，领口和袖子松松垮垮地耷着，都可以拿它来跳绳。