Half of the circles that look clickable aren't; the other half jumble into a new rotation if you drag and drop them.

有一半的圈圈看上去是可以点的，实际上却不能。如果拖拽一个圈圈，它会跳到其他圆圈中去。

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Scientists have discovered that if they give amphetamines to a group of mice they will run wildly around in circles for 10 minutes and then drop dead.

科学家已经发现，如果给一组老鼠注射安非他命，它们会发疯地乱跑10分钟，然后死掉。

youdao