Water bear
01
水熊虫, 缓步动物
an extremely tiny, eight-legged animal that lives in water or moist places and can survive in extreme conditions
例子
Water bears are so small that they can only be seen with a microscope.
水熊虫非常小，只能用显微镜才能看到。
A scientist found water bears in a drop of rainwater.
一位科学家在一滴雨水中发现了水熊虫。
