You have a molecule coming in, it gets into the protein, which is schematic here, and it causes this thing to switch, to turn, to move in some way by binding in certain parts.
一个分子进来 进到蛋白质里 图中所示意的就是蛋白质 它让这个东西转变 旋转 向某个方向移动起来 通过合并某些部分