humus
发音
英 [ˈhju:məs]
美 [ˈhjuməs]
-
- n.
- 腐殖质
单词词源
humus 腐殖质
来自拉丁语humus,泥土，土壤，词源同exhume,humble,来自PIE*dhghem,泥土，词源同chthonic,chameleon,chamomile.可能来自PIE*dhegh,燃烧，词源同day,fever.词义演变参照area.
双语例句
- 1. Wind and spring floods erode soils , exposing underlying layers and premiering new compositions of humus and minerals on the surface .
- 风沙和水灾侵蚀着土壤，暴露出地下土层，腐殖质新成分及其表面的矿物。
- 2. Soil microorganism plays an important role in the process of nutrient transformation and humus forming in soil .
- 土壤微生物在土壤养分转化与腐殖质形成过程中有著重要的作用。
- 3. Soil which contains a lot of humus is more fertile than that which only has a little .
- 富含腐殖质的土壤比只含有少量腐殖质的土壤要肥沃多了。
- 4. So the topsoil is bits of rock mixed with things that are once alive . These things in the topsoil that were once alive are called humus .
- 可见，土壤是石粒和曾经是活体的物质的混合物。表土中这种曾是活体的东西叫做“腐殖质”。
- 5. Plants grow in soil which has a dark colour . This dark soil is humus .
- 植物生长在黑色的土壤里，这种黑色土壤叫腐殖上。
更多: >如何使用 "humus" 造句