Constantly moving is the only thing keeping jellyfish afloat, but even with this effort they can be easily pushed around by strong winds or ocean currents, which is what leads some jellyfish to be washed up on beaches.
不断地移动是保持水母漂浮
唯一办法,但即使那么努力,它们也很容易被强风或洋流所左右,而
正是导致一些水母被冲上海滩
原因。