听力满分托福 盘点托福听力扣分4大主要原因( 四 )


But by using a telescope as a camera, long time exposures can be made.
但通过使用望远镜当相机 , 长时间的曝光能够被制造出来 。
In this way, objects can be photographed that are a hundred times too faint to be seen by just looking through a telescope.
这样 , 百倍微弱的 , 仅仅通过望远镜观察而看不清楚的天体也能被拍摄下来 。


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