单词:diarylheptanoids
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A: Were here! B: I want to go play! A: What do you want to do first? B: I want to go down the slide. A: Dont run, and be careful. B: I will. This is so much fun. A: Did you enjoy the slide? B: Yes. It was great. I went so fast. A: What else do you wa
According to UNAIDS(联合国艾滋病规划署)estimates there were 38.6 million adults and 3.2 million children living with HIV at the end of 2002, and during the year 5 million new people became infected with the virus. Around half of all peop
By Gilbert da Costa Abuja 16 October 2006 An international campaign to draw attention to the huge agricultural potential of the Sahel drylands of Africa is gaining ground, with a recent workshop in Niamey, the capital of Niger. The campaign seeks to
By Rosanne Skirble Washington 01 April 2007 The wife of presidential candidate John Edwards renewed her fight against breast cancer this week. Elizabeth Edwards is one of three million women in the United States living with the disease. Of the 275,00
与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe