单词：
单词： 相关文章
Passage 21 Soils There are many different kinds of soils. Different soils have different types of rock and minerals in them than other. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too
英语专业四级听写
[00:00.00] Unit 6 Plants [00:04.60]A The chlidren are in a science lesson. [00:10.95]Look,listen and say. [00:15.31]1 We want to grow some tomatoes. [00:21.66]What does our plant need? [00:25.50]It needs a small pot of soil. [00:30.22]It needs a lot
新路径小学英语三年级上册(一起)
This is the VOA Special English Development Report. This week in our report we are going to talk about adobe. No, not the information technology company in California, Adobe Systems. We mean the traditional building product made of soil and other ma
VOA慢速英语2009年（一）月
IN the north of Russia the ground is white with snow. 俄罗斯北部，土地白雪皑皑。 In the south of Russia the ground is blackalmost as black as coalbecause the soil is so rich, probably the richest in the World. 俄罗斯南部，土地是黑
美国学生世界地理教材
AGRICULTURE REPORT - Subsoiling Increases Soybean and Cotton Production in Clay Soil By Avi Arditti Broadcast: Tuesday, September 07, 2004 This is Gwen Outen with the VOA Special English Agriculture R
农业与发展
DEVELOPMENT REPORT - Adobe By Gary Garriott Broadcast: Monday, July 19, 2004 This is Robert Cohen with the VOA Special English Development Report. These days, stories about adobe are usually about Ado
农业与发展