社会:花生酱与沙门氏菌的爆发有关
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科学60秒: “身负重任”的中世纪盔甲
Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have put its wearers at a heavy disadvantage on the battlefield. An armored combatant in the...
政治:奥巴马欲与伊朗冰释前嫌
政治:奥巴马欲与伊朗冰释前嫌Today marks the 30th anniversary of the Iranian hostage crisis. And President Obama said that he wants to move beyond the past and build a relationship with Iran based...
幽默的意义
短文The story goes that a certain court jester went too far one day and insulted his king. The king became so infuriated he sentenced the jester to be executed. His court prayed upon the king to ...
堆沙堡的小男孩
美文Making Sandcastles A little boy is on his knees scooping and packing the sand with plastic shovels into a bright blue bucket. Then he upends the bucket on the surface and lifts it. And, to...