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%光秃的岩石。

youdao

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%光秃的岩石。

youdao