1.Planaria tap into this resource when reconstructing themselves.
涡虫也利用此种能力来重建自己。
2.All right, guys, today we are gonna be observing the behavior of planaria , aka flatworms. So what we're gonna do. . . regenerate .
好了,同学们,今天我们要研究涡虫的特性,又叫扁虫,我们要做的是…观察它们再生。
3.observing the behavior of planaria,
观察涡虫的行为模式
4.All right, guys, today we are gonna be observing the behavior of planaria,
好的,今天我们观察涡虫