土壤垂直带

VOA慢速英语2003年-农业与经济 Soil Conservation Meth

By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.

发表于:2018-12-07 / 阅读(58) / 评论(0)

VOA2003（下）-农业与经济

TED演讲:如何随处种小型森林

I'm an industrial engineer. 我是一个工业工程师。 The goal in my life has always been to make more and more products in the least amount of time and resources. 在我的生命中一直追求的目标，是用最少的时间和资源，做出更

发表于:2018-12-08 / 阅读(45) / 评论(0)

TED演讲商业篇

常春藤解析英语【31】Vertical Gardens垂直花园

Vertical Gardens 垂直花园 by Marcus Maurice More than 30 years ago, a French scientist named Patrick Blanc went to Thailand to study plants. This adventurous young man traveled to the heart of a tropical rainforest and set up a platform at the to

发表于:2018-12-08 / 阅读(102) / 评论(0)

常春藤解析英语

专业术语-财务英语词汇Z

发表于:2019-01-03 / 阅读(54) / 评论(0)

财会英语

Mars Rover to Begin Taking Soil Samples This Week

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(64) / 评论(0)

VOA2004（上）--各类新闻

科学美国人60秒 SSS 无犁也来把田耕

Field Study: Worms Leave 'Til No-Till无犁也来把田耕 Charles Darwin is, most famously, the author of The Origin of Species. But the last book he ever wrote gets far less attention today. It's called The Formation of Vegetable Mould through the

发表于:2019-01-20 / 阅读(24) / 评论(0)

2017年Scientific American(六)月

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A.Chem.

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adenylylsulfate pyrophosphorylase