硷〔性〕磷〔酸〕酶

SSS 2008-04-23

This is Scientific American's 60-Second Science, I'm Karen Hopkin, this will just take a minute. Shakespeare once said: A rose by any other name would smell as sweet. And that is true today as it was 400 years ago. What's different now, though, is th

发表于:2018-12-24 / 阅读(79) / 评论(0)

Scientific American(四)月

世界名牌博览：金霸王

金霸王国际公司是世界上制造和销售高效碱性电池的领先企业。金霸王是世界上最知名卓越的消费品品牌之一。对于世界各地的人们来说，金霸王这个品牌代表了高品质的电池产品和不断创新

发表于:2018-12-28 / 阅读(73) / 评论(0)

世界名牌博览

HEALTH REPORT - Staph Vaccine

HEALTH REPORT -May 29, 2002: Staph Vaccine By Nancy Steinbach This is the VOA Special English Health Report. American researchers say they have developed the first vaccine medicine that can prevent a

发表于:2019-01-02 / 阅读(47) / 评论(0)

健康与环境

英语杂谈：51 The One With George Stephanopoulos

[Scene: Central Perk, everyone is there except Joey.] Monica: Alright. Phoebe? Phoebe: Okay, okay. If I were omnipotent for a day, I would want, um, world peace, no more hunger, good things for the rain-forest...And bigger boobs! Ross: Yeah, see.. yo

发表于:2019-02-04 / 阅读(70) / 评论(0)

英语杂谈

杂交水稻之父袁隆平在青岛研发海水稻

China's father of hybrid rice is planning to expand its production of sea-rice at a newly founded research center in Qingdao, a port city in the eastern province of Shandong, local sources said last Saturday. 据当地知情人士上周六透露，中国

发表于:2019-02-06 / 阅读(53) / 评论(0)

英语新闻

减压秘诀-吃健康的食物(1)

ways to kill stress 减压秘诀 Eat Healthier 吃健康的食物 Though a lot of stress is psychological, there are also plenty of physical factors that contribute to this natural human response to perceived danger. In order to mitigate stress, make

发表于:2019-03-06 / 阅读(102) / 评论(0)

英语听力广播—Listening

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