Word · Frequency #24100
topsoil
表层土;上层土
核心释义
topsoil
- 1.
表土(最肥沃、最适宜种植新植物的上层土壤)
The upper layer of soil, typically most fertile and in which it is the easiest to start new plants.
- 2.
地表的土壤层
the layer of soil on the surface
表土(最肥沃、最适宜种植新植物的上层土壤);地表的土壤层;上层土;表层土
用法In use
The heavy rain washed away the topsoil from the hillside.
用法提示:这里 topsoil 作名词,指地表的表层土壤。
Farmers need rich topsoil to grow healthy crops.
用法提示:topsoil 是名词,指表层土壤,这里用作不可数名词。
The construction project removed all the topsoil before building the foundation.
用法提示:topsoil 为名词,指表土层,在此句中作宾语。
topsoil + verb
topsoil 在此为不可数名词,谓语动词用单数。
Topsoil contains most of a soil's nutrients.
表层土含有土壤中大部分养分。
under the topsoil
表示“在表层土下面”时常用 under the topsoil,定冠词不可省略。
相关词与表达Connections
搭配Collocations
- rich topsoil
- 肥沃的表层土
- The rich topsoil in this valley is perfect for growing vegetables.这个山谷肥沃的表层土非常适合种植蔬菜。
- a layer of topsoil
- 一层表层土
- The area was covered with a layer of topsoil before the seeds were sown.播种前,这片区域被覆盖了一层表层土。
- topsoil erosion
- 表层土侵蚀
- Planting trees can help prevent topsoil erosion.植树有助于防止表层土侵蚀。
- strip topsoil
- 剥离表层土
- The miners stripped the topsoil to reach the coal beneath.矿工们剥离表层土以开采下面的煤。
- replace topsoil
学习提示Learner notes
记忆技巧Memory Tip
把top(顶部)和soil(土壤)联想在一起:最上面的那层土,就是topsoil(表层土)。
语境与语域Context & Register
语域:neutral 常见场景:gardening、agriculture、landscaping “topsoil” 是中性常用词,通常用于描述地表土壤,在园艺、农业和土地工程中比较常见;正式或非正式场合均可使用,没有明显的语域偏向。
发音与拼写Pronunciation & Spelling
这些以 -oil 结尾的词(boil、coil、foil、oil、soil、toil)与 topsoil 末尾的 /sɔɪl/ 押韵。注意不要被拼写误导:topsoil 与 topsail /ˈtɑpˌseɪl/ 拼写相近但发音不同;soil 也不要和 soul /soʊl/ 或 sole /soʊl/ 混淆。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.