单词:dioxysulphide
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Bob, who is Chinese, is speaking to his American classmate, Jill. J: Hi, Bob. What's up? B: I don't see anything up in the sky. Do you? J: No, Bob.
The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are
JUDY WOODRUFF: There was fresh evidence today of just how expensive college has become and how fast student debt is piling up. It came in the latest look at the bill that comes due once diplomas are handed out. The numbers are more daunting than ever
By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode
MANAMA, July 3 (Xinhua) -- Bahrain's most popular musician and performer Ali Bahar died on Sunday at the Salmaniya Medical Complex. State-run Bahrain news Agency confirmed the death of the singer, with several of his fans posting condolence messages
The U.S. Soccer Federation has announced that Bob Bradley has been relieved of his duties as the head coach of the U.S. Mens National Team. U.S. Soccer said it will have a further announcement on Friday. Federation president Sunil Gulati said in a pr