4视频豆瓣7.6
5视频
20视频豆瓣6.8
9视频豆瓣6.1
9视频豆瓣5.9
6视频豆瓣6.1
13视频豆瓣7.0
无线电望远镜在树林里的树上和树后都很显眼。在森林中工作的射电望远镜大楼。
The radio telescope stands out above and behind the trees in a wood. Radio telescope building working in the forest.
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