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俄天文学家预测人类不久将与外星人相遇

Humanity will encounter alien civilisations with the next two decades, a top Russian astronomer predicted on Monday. 本周一，一位俄罗斯权威天文学家做出大胆

十个方法 让你清凉过夏天（双语）

1. Just add water. 想降温 加点水 Soak a t-shirt in the sink, wring it out, put it on and sit in a chair that lets air through to you in front of a fan. 将T恤浸泡在

两会温总理精彩语录（双语）

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