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But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough
affiliate v.加入,联合 affiliation n.入会,加入 affinity n.密切关系,吸引力 affirmative adj.赞成的,肯定的 affliction n.痛苦,折磨 affront v.侮辱,冒犯 af
From Sunday, smoking is banned in Beijing's taxis. The Green Taxi campaign is part of the city's efforts to ensure a smoke-free Olympic Games next year. No smoking signs will be put up in all of Beijing's 66,000 taxis. Drivers who are caught smoki
This is Birgitta Jonsdottir. She's an Icelandic MP. And quite an unusual MP. 照片上的是Birgitta Jonsdottir。她是冰岛下院议员。一个不寻常的议员。 In Iceland, she was one of the protesters who was outside of Parliament when the