单词：potentillin
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DIALOGUE 96 1--Dad was really bad-tempered last night. And it's not like him. He used to like meeting my friends. 2--Well, I'm afraid you've come at rather a bad time. 1--What do you mean? 2--Well, I
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 yesterday It was very hot yesterday. n
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By Carol Pearson Washington 15 June 2007 With obesity an epidemic practically worldwide, drug companies have been in a race to find a diet pill that can be sold without a prescription. Glaxo Smith Klein won that race with a new drug called Alli. But,
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Potent Antibodies Offer New AIDS Vaccine Design Researchers say powerful antibodies may hold clues to developing an effective AIDS vaccine. The antibodies were isolated from individuals already infected with HIV. Dr. Wayne Koff says the goal is to fi
VOA标准英语2011年(八月)
今天我们要学的词是potent。Potent形容词，意思是有效的、强有力的 。Fentanyl, a super potent synthetic drug at the center of a new overdose crisis in America, is presenting huge challenges for law enforcement officials. 处在美
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