单词：jandagum
单词：jandagum 相关文章
By Jessica Berman Washington 31 July 2006 It could be the dream of anyone who has spent years trying to lose weight. Scientists have developed a vaccine that causes and maintains weight loss. So far, the drug has only been tested in rats. But resear
2006年VOA标准英语（七月）
Being an American, Donna wants to learn more about the Chinese. She's talking to her Chinese friend, Jeff. D: Hi, Jeff! What's up? J: Nothing much. What about you? D: Same as usual. Here, have a stick
赖世雄中级美国英语
Science and Technology Combating addiction 科技 打击吸毒 Can a vaccine stop drug abuse? 是否有种疫苗能对付毒品滥用？ It may be possible to vaccinate people against addictive drugs 向吸毒者接种疫苗防止毒瘾将成为可能
经济学人科技系列
By Carol Pearson Washington, DC 06 February 2008 Recent studies show that cigarette smoking is one of the most significant factors leading to gum disease. And now, new research indicates smoking marijuana also promotes gum disease even for those who
VOA常速英语2008年（二月）
今天要讲的习惯用语都有这样一个关键词汇： gum。 Gum虽然是个只包括三个字母的简短的词，但是它的意思可不少。比方说，gum可以指嘴里嚼的口香糖，或者是象口香糖那样粘胶似的物质。这时
美国习惯用语
RIO DE JANEIRO, Sept. 27 (Xinhua) -- The leader of Fluminense's defense, Gum was announced on Tuesday to need a period of two months to recuperate from a detached tendon in his upper right thigh. With only 12 rounds remaining in the 2011 Brazilian Ch
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