Tardigrada
01
缓步动物, 水熊虫
a category of tiny, soft-bodied animals with eight legs, which can survive in very harsh places
例子
Tardigrada are some of the toughest animals on Earth.
缓步动物是地球上最坚韧的动物之一。
Scientists study Tardigrada to learn how life can survive in space.
科学家研究缓步动物以了解生命如何在太空中生存。
