v.混合肥料，堆肥( compost的过去式和过去分词 )...

All garden waste should be composted and returned to the garden.应该把花园里所有枯萎的花草制成堆肥，然后再用它们给花园施肥。Any scraps are composted.废料都制成堆肥....

composted的音标：...