【土壤学】ABC层土壤[自上而下,分为A层(A-horizon),为淋溶层;B层(B-horizon),为淀积层;C层(C-horizon),为母质层]

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

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(101) / 评论(0)

农业与发展

英语听力文摘 English Digest 390、干旱知识ABC

Drought For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought . A drought occurs when for a variety of reasons, usually including a lack of rainfall and warm temperatures. Soil moisture

发表于:2019-02-16 / 阅读(31) / 评论(0)

英语听力文摘 English Digest

英语词汇辨析：soil & earth & land & ground

Soil、earth、ground和land都可以表示地面，但这四个词的用法有很大的区别。一起来看看吧! soil意为：泥土、土壤，尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥

发表于:2019-02-18 / 阅读(74) / 评论(0)

英文语法词汇

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(77) / 评论(0)

英文摇滚歌曲

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学英语单词

analog output scanner

analog value

arnaout (albania)

authorization file

automatic generation control (agc)

avionics integration support facility

awkwards

base-vented hydrofoil

benzenes intermediates

body carpet

bronchogenic dissemination