反散射式土壤密度计

美国国家公共电台 NPR As Wildfires Rage, Smoke Chokes Out Farmworkers And Delays Some Crops

DAVID GREENE, HOST: This summer, smoke from wildfires has blanketed much of the West for days, even weeks. And that smoke has come in between the sun and ripening crops, which has become a worry for farmers. The Northwest News Network's Anna King rep

发表于:2018-12-02 / 阅读(53) / 评论(0)

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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(59) / 评论(0)

VOA2003（下）-农业与经济

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

VOA慢速英语2015 America’s Famous Front Lawn Gets Overhaul

AS IT IS 2015-05-25 Americas Famous Front Lawn Gets Overhaul Almost two kilometers of green grass stretch from the front of the U.S. Capitol building to the Washington Monument. Thousands of people walk on it every day. They also play games, have pic

发表于:2019-01-12 / 阅读(37) / 评论(0)

2015年VOA慢速英语(五)月

【英语趣味课堂】关岛

Nick: So, I dont know much about Guam. Id barely heard of Guam until last year so please, tell me something about it. Whats life like? Cheryl: Well, most people have never heard about Guam. Most people who do hear about it are mostly Americans and ev

发表于:2019-02-16 / 阅读(31) / 评论(0)

英语趣味课堂

英文摇滚歌曲：Killswitch Engage - Soilborn

time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo

发表于:2019-03-02 / 阅读(75) / 评论(0)

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单词：back-scatter soil density gauge

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