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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 whole [ hEul ] He put the whole of his
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Forget the scalpel, researchers at Johns Hopkins University have created a tool that can move easily through tissue, potentially making biopsies much less invasive.
银纳米粒子将防治真菌病害 Large farms use various chemicals to fight fungi and bacteria that attack crops, and others such as e. coli that are harmful to humans. 大规模农作物产地都会使用化学产品来抵御损害农作物的真菌
Researchers: New Nanoparticles May Replace Chemicals in Pesticides 研究人员表示新的纳米粒子可能取代化学农药 Using pesticides to battle harmful bacteria that attack fruit and vegetables has its downside, releasing harmful chemicals
The One With The Hypnosis Tape 本集简介: Rachel gives Chandler a hypnosis tape to help him quit smoking; however, the tape was designed for women--and it works all too well. Phoebe's brother, Frank, announces that he's getting married--to his ho
1997年9月,当艾弗因不满原iCEO集团追求利益最大化而忽视产品设计(focus on profit maximization rather than product design),意欲辞职时(was planning to quit),乔布斯对企业理念的再次阐释成功劝服艾弗留下