单词:retaining variety
保留品种
单词:retaining variety 相关文章
06 食盐与血压的关系 DATE=2-22-01 TITLE=SCIENCE REPORT - Salt and Blood (1)Pressure BYLINE=Jerilyn Watson (Start at 1'00
发表于:2018-12-07 / 阅读(63) / 评论(0)
科技之光
Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa
发表于:2018-12-07 / 阅读(74) / 评论(0)
VOA2003(上)-科技导航
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)
国家地理2007年
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(101) / 评论(0)
美国习惯用语
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)
英文语法词汇