This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to high

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(六)月

Where once only salt miners traveled, today, tourists track through tunnels hundreds of feet deep into the caverns of Zipaquir mountain in Colombia. Their destination, a Catholic cathedral carved from the mineral deposits of the old mine. More than 1

发表于:2018-12-30 / 阅读(112) / 评论(0) 分类 国家地理2007年

A CDC study of 4,000 adults found that more than 90 percent ate more sodium than recommended levels. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to hi

发表于:2019-01-02 / 阅读(79) / 评论(0) 分类 60秒科学

我们今天要学的习惯用语都包括这样一个关键词汇,salt。 Salt这个词大家都熟,是盐。人们在生活中少不了它,一切活细胞也都需要它,人们意识到盐的重要性已经有好几个世纪了,所以由s

发表于:2019-01-14 / 阅读(99) / 评论(0) 分类 美国习惯用语

AGRICULTURE REPORT -May 21, 2002: Irrigation and Salt By George Grow This is the VOA Special English AGRICULTURE REPORT. Irrigation is the watering of land by other than natural methods. Irrigation pr

发表于:2019-01-18 / 阅读(63) / 评论(0) 分类 农业与发展

从柴米油盐说起 中国人用柴米油盐酱醋茶概括了生活所必须的点滴琐事,所以,一说起柴米油盐,说汉语的人头脑中第一印象就是过日子。 其实不只是中国人,全人类又何尝不是如此呢?不同

发表于:2019-02-17 / 阅读(58) / 评论(0) 分类 英文语法词汇