单词：meteorite parent body
单词：meteorite parent body 相关文章
Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig
60秒科学
By Jerilyn Watson Broadcast: October 23, 2003 This is Steve Ember with the VOA Special English Education Report. Six-million people in the United States belong to 1)parent-teacher associations, or PTA
VOA2003（下）-教育与新闻
Being a parent is the biggest responsibility we can have in our lives. Its scary if you think about it. You have to look after a tiny baby for years and years. It is your duty to make sure that little baby grows up into a wonderful, happy and respons
纯正英语一分钟
今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母？没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母，真的
英语每日一词
MOSCOW, Feb. 17 (Xinhua) -- Most buildings damaged by Friday's meteorite fall in Russia's central Urals Region have been restored, and educational institutions will operate as usual on Monday. Xinhua reporters saw in the hardest-struck Chelyabinsk Re
英语新闻
It is common for adults to use baby talk when interacting with very young children. This way of speaking attempts to copy the sounds babies make when they first try to talk. But is this form of communication helpful to a childs development? Several s
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