正如希瑟·库珀和奈杰尔·亨贝斯特解释的那样，凌日帮助我们形成了对整个宇宙的看法。

Transits have helped shape our view of the whole Universe, as Heather Cooper and Nigel Henbest explain.

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新西兰为成千上万的孩子提供免费学校午餐。2月20日，新华社在惠灵顿报道——“在政府免费健康学校午餐计划的推动下，成千上万的孩子已经开始在上学日收到免费午餐。”总理杰辛达·阿登周四时说。

New Zealand offers free school lunches to thousands of kids. WELLINGTON, Feb. 20 (Xinhua)—"Thousands of children have begun receiving a free lunch on schooldays under the government's free and healthy school lunch program," Prime Minister Jacinda Ardern said on Thursday.

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杰夫：那这是什么纪念日呀？

Jeff: So what was the anniversary for?

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