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

发表于:2018-11-30 / 阅读(169) / 评论(0) 分类 英语专业四级听写

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) 分类 VOA2003(下)-农业与经济

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) 分类 VOA2004(上)--各类新闻

They found Star by chance, just in time. These animal welfare officers in Malta had been dealing with a separate case of an abandoned dog when they heard whimpering under the ground. They followed the noise, saw the tip of Star's nose and started dig

发表于:2019-02-04 / 阅读(38) / 评论(0) 分类 英伦广角

land,soil 土壤 arable land, tilled land 耕地 dry soil 旱田 fertile soil 沃土,肥沃的土壤 humus 腐殖质 irrigable land 水浇地 lean soil, poor soil 贫瘠土壤 wasteland, barren land

发表于:2019-02-09 / 阅读(41) / 评论(0) 分类 英文语法词汇

land,soil 土壤 arable land, tilled land 耕地 dry soil 旱田 fertile soil 沃土,肥沃的土壤 humus 腐殖质 irrigable land 水浇地 lean soil, poor soil 贫瘠土壤 wasteland, barren land 荒地 grass 草 grassland 草地 meadow 草甸 prairie 大草原 pasture land 牧场

发表于:2019-02-18 / 阅读(123) / 评论(0) 分类 英文语法词汇