陨石龄

60秒科学:Murchison Meteorite's Chemical Bonanza

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

发表于:2019-01-02 / 阅读(94) / 评论(0)

60秒科学

Hate in the Digital Age

The Internet and social media are proving to be a double-edged sword. While they expand the possibilities of commerce and information-sharing, they are also used by terrorists(恐怖分子) to recruit members, to promote hate, and even to reveal ways

发表于:2019-01-06 / 阅读(72) / 评论(0)

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英语游戏:Age of Japan 2

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Description: Age of Japan is an incredible puzzle entertainment, which shines with unique graphics. All 40 game levels are rendered with Japane...

发表于:2019-01-08 / 阅读(141) / 评论(0)

Daily Free Games

英语游戏:Age of Japan

发表于:2019-01-08 / 阅读(167) / 评论(0)

Daily Free Games

假如地球只剩最后一小时

What would you do in your last 60 minutes?An asteroid is on a collision course with the earth and you have one hour left to live. What would you do in your last 60 minutes? Not surprisingly, the majority of Britons questioned in a survey -- 54 percen

发表于:2019-02-01 / 阅读(35) / 评论(0)

阅读空间

Buildings reglazed after meteorite strike in Russia

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

发表于:2019-02-17 / 阅读(54) / 评论(0)

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学英语单词

accumbers

adhesive capsulitis

All is fish that comes to his net.

aquatic plant

arbitrary number of level