太平洋地区运用科学 积极防治海平面升高
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科学60秒:寄生虫的阿基里斯之踵
Every villain has his Achilles' heel. And microscopic scoundrels are no exception. The challenge for those who wish to ____1____ microbial bad guys is to identify that weak spot. Now, scientists ...
喜剧电影“巴尼的人生”
VOAThere is more to that tender scene with Mr. and Mrs. Barney Panofsky. Yes, he has met the woman of his dreams, but she is not his new bride; and complicating matters - as Barney so often does ...
丘吉尔的演讲
短文I have nothing to offer but blood, toil, tears, and sweat. We have before us an ordeal of the most grievous kind. We have before us many, many months of struggle and suffering. You ask, what ...
直面内在的敌人
短文Facing the Enemies Within We are not born with courage, but neither are we born with fear. Maybe some of our fears are brought on by your own experiences, by what someone has told you, by...