梭鱼群形成了一堵墙，两条白顶鲨鱼绕着鱼墙游动。
While looking at the wall of barracudas, a couple of white tip sharks swam around the wall.
事实证明，鱼群内部像这样彼此间的相互挤碰，不自然的就会是鱼群形成螺旋状。
It turns out that by fiddling with these tendencies, a virtual shoal can be made to swirl spontaneously in a circle, just like some real species do.
当小鱼面临极其困难的问题时，比如说，突然遭到几个捕食者的袭击，他们会立刻形成鱼群。
When small fish face an extremely difficult problem-an attack, say, from several predators at once-they deal with it by forming a school.
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