单词：continuous leacher
单词：continuous leacher 相关文章
This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Scientists have worked for twelve years to develop what they call Green Super Rice. They say several varieties should be available to farmers about t
2011年VOA慢速英语(二)月
现在完成进行时(The Present Perfect Continuous Tense)表示由过去某时持续到现在的动作，由have(has)been+现在分词构成： It has been raining for three hours. 一连下了三个钟头的雨。 She has been working the whole mo
英文语法词汇
[00:10.06]Gehrig continued to improve as a player. [00:14.05]By 1924, pitchers for opposing teams were having bad dreams about Lou Gchrig and Babe Ruth. [00:23.04]Ruth hit sixty home runs that year. [00:26.36]Gchrig hit forty seven and won the Americ
美国英语听力80篇
By Steve Mort Orlando, Florida 07 June 2007 A little more than a decade ago, the number of people studying foreign languages in the U.S. colleges was on the decline. Now, the Modern Language Association of America reports enrollment is rising rapidly
2007年VOA标准英语（六月）
Next Step After Carbon: Knowing Your Nitrogen Footprint This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of o
2011年VOA慢速英语(四)月