| 例句 |
humusesnounpl. of humus a brown or black material in soil that is formed when plants and animals decay loams, topsoilsclods, dirt, earth, ground, moldsblacklands, clays, gaults(chiefly British), gleys, gucks(or gooks), gumbos, kaolins, muck, mudsdust, gravels, sandsalluviums(or alluvia), colluvia(or colluviums), detritus, loesses, marls, sediments, shingles, siltsduffs, mullssubsoils, substrata |