这孩子看着那明亮的移动的影像，被迷住了。
如果有其他维度，那银河系中心的黑洞引力就可能使其外面的恒星影像异常明亮。
If there are extra dimensions, then the gravity from the black hole in the center of our galaxy might dramatically brighten the images of stars beyond it.
投影仪的另一个优点在于它投出的影像大而明亮，这是由于投影仪和银幕之间距离较近的缘故。
Another advantage is that the pictures the overhead projector shows are large and bright owing to the short distance between the projector and the screen.
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