留學美國:住哪兒呢? (1)
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科技:珊瑚礁在物種進化中的重要性
科技:珊瑚礁在物種進化中的重要性A new study out this week highlights the role that coral reefs play in evolution, adding another reason to preserve these delicate, diverse, and often beautiful ec...
冷藏食品的一些小貼士(1)
食物冷藏的一些方法。Hints:evaporative cooler organism damageBefore refrigerators were invented, the next best thing was an ice box. But another way to keep food fresh is to use an evaporative coo...
美俄兩國表示將削減核武器儲備(2)
在最近的一份聯(lián)合聲明中,美俄兩國表示將把核武器儲備降到“可能的最低水平”"We haven't come to agreement on what will replace START but we are in the process of talking about that. We both want tran...
難民該往哪里避難?(1)
伊拉克戰(zhàn)爭時刻不停,遭殃的還是老百姓,難民該往哪里避難呢?The report shows asylum applications by Iraqis in industrialized countries rose 77 percent last year to more than 22,000. It says this is...