蜜芽传媒

BB Learning English 《媒体英语》：Telescope ready to image black hole 望远镜准备拍摄黑洞

How are we going to take a photo of a place where no light can escape?

17 February 2017

1 minute

This clip is from

蜜芽传媒 Learning English

蜜芽传媒 Learning English The London to Edinburgh Challenge Episode 9：Race to the castle 向城堡冲刺

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蜜芽传媒 Learning English The London to Edinburgh Challenge Episode 6：Work 工作

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