Mental rotation is a task where I'm going to ask you, and again you're going to do the task, to look at this shape. Study it, it's a target shape, and I'm going to present to you four different shapes.
心智旋转是一个要你们观察这个形状的任务， 这一次也需要大家都参与进来。 看着它，这是我们的目标形状。 现在我给你们看四个不同的形状。