topsoil 核心詞議：
n. 表層土
v. 去掉表土
topsoil 基本解釋
速記方法知識擴展
中文詞源
中文詞源：
topsoil
精選例句
1、 Many farmers use good conservation practices,and the state’s rich topsoil in many areas is deep enough to last decades with moderate amounts of erosion.
很多農民采用較好的保護土地的措施，并且愛荷華州廣袤而豐饒的表層土的深度足以持續數十年適度的大量土地侵蝕。
常見考點例句：
- The agriculture ministry now says removing that contaminated topsoil may be effective .
- 農業省現在表示去除受污的表土可能有效。
- When city council finally decided to build housing on the section , gardeners and their friends moved an acre of topsoil to the remaining portion of the garden .
- 當市議會最終決定要在該地區建設公寓時，園丁們與他們的朋友一起將一英畝土地的表土搬運到花園的剩余部分。
- Koriyama officials contacted nuclear experts and were told that removing a layer of topsoil from school grounds could reduce radiation levels , because cesium tends to collect in the top layers .
- 郡山市當局聯系了核專家，被告知除掉學校場地上的一層表土可以降低輻射程度，因為銫通常會在土壤上層聚集。
- If just four centimeters of topsoil is scraped off the contaminated farmland , the ministry says , it would create 3.3 million tons of waste .
- 農業省說，即便只給受污染的農田刮去4厘米厚的表土，就會產生330萬噸的廢土。
- A new cleanup law doesn 't take effect until january . Cities across fukushima prefecture are scraping contaminated topsoil off school grounds and parks , but tokyo hasn 't yet decided where to store the tainted material .
- 新的清理核輻射法到明年1月才生效，福島縣各市正在將學校場地和公園內受污染的表土挖掉，但是東京方面卻尚未決定在哪里存貯污染物。