By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an

发表于:2018-12-01 / 阅读(145) / 评论(0) 分类 VOA2003(下)-发展与科学

This is Scientific American 60-second Science,I'm Sophie Bushwick.Got a minute?Scientists have used synthetic DNA to store digital files,including a photo,Shakespeare's sonnets and an audio recording on Martin Luther King. And the pursuit of happines

发表于:2018-12-24 / 阅读(31) / 评论(0) 分类 Scientific American(一)月

First, listen to March 4th 2013 to hear about drought on farms this past summer. The Minister for Primary Industries, Nathan Guy said that in the long term the government wants to invest $400m in regional water irrigation. In the short term, the Budg

发表于:2018-12-31 / 阅读(42) / 评论(0) 分类 新西兰英语

工作累了,就趴在办公桌上小睡片刻,这样有助于提高你的记忆力。据英国《每日邮报》报道,德国一项最新研究发现,白天打个盹不仅可以使人恢复体力,还能帮助大家提高记忆力。 To Lea

发表于:2019-01-02 / 阅读(70) / 评论(0) 分类 60秒科学

Finding Room for New Memories A study in the journal Cell shows that the formation of new memories requires the movement of other memories located in the hippocampus to long-term storage in the neocortex. Karen Hopkin reports We all love getting some

发表于:2019-01-30 / 阅读(136) / 评论(0) 分类 60秒科学

今天我们要学的词是short-term。 Short-term, 短期的。 Short-term loans, 短期贷款。联合国粮农组织最近在罗马开会。 The summit tried to solve the short-term emergency of the increased hunger caused by soaring prices, 这次

发表于:2019-02-06 / 阅读(53) / 评论(0) 分类 英语单词荟萃