There are about 98% thick continental ice sheet and 2% barren rock.

南极约98%覆盖着厚厚的大陆冰床，2%为光秃的岩石。

There are about 98 % thick continental ice sheet and 2 % barren rock.

南极约98%覆盖着厚厚的大陆冰床,2%为光秃的岩石.

And they sentenced him to life imprisonment on the aptly named Devil's Island, which is this barren rock off the coast of South America.

他们判处他终身监禁，并将其押送到被称为魔鬼岛的地方服役，那是个远离南美洲海岸贫瘠的岩石小岛。