n.堆制肥料
动词compost的现在分词形式.
A plastic sheet was pegged down over the compost heap to hasten decomposition. 把塑料布铺盖在肥堆上,并用木桩固定好,以加速肥料腐烂。
Bed the roots in the compost. 把植物的根插入混合肥料中。