humus
humus — 名詞
1. the dark, nutrient-rich layer of soil that forms when dead leaves, plants, and o
腐殖質
由枯葉、植物等有機物分解而成的暗色土壤
the dark, nutrient-rich layer of soil that forms when dead leaves, plants, and other organic material break down naturally over time
The gardener mixed rich humus into the flower beds before planting the roses.
園丁在種植玫瑰之前，將豐富的腐殖質混合到花圃的土壤中。
collocation: rich humus
After years of fallen leaves rotting on the ground, a thick layer of dark humus formed.
經過多年的落葉在地上腐爛後，形成了一層厚厚的深色腐殖質。
formation: leaves piling up and rotting → humus layer
Priya explained that humus helps sandy soil hold more water and keeps nutrients available for crops.
Priya 解釋說，腐殖質能幫助沙質土壤保留更多水分，並為作物提供養分。
Soil scientists measure humus levels in farmland to decide whether more organic fertilizer is needed.
土壤科學家測量農田中的腐殖質含量，以判斷是否需要施用更多有機肥料。
Without enough humus, garden soil turns hard and does not support healthy plant growth.
如果腐殖質不足，花園土壤會變硬，無法支持植物健康生長。
- compost
man-made decomposed organic matter added to soil; humus is naturally occurring
- leaf mould
partially decomposed leaves; a stage before becoming humus
- organic matter
broader term that includes humus plus other plant/animal material in soil
- mineral soil
soil consisting mainly of rocks and minerals without organic content
- sand
coarse soil particles with almost no organic material
文法句型
humus + verb (takes singular verb)
用法筆記
Humus is an uncountable noun — do not say 'a humus' or 'humuses'. The word is often confused with 'hummus' (a chickpea dip from the Middle East), which sounds the same but has a completely different meaning.