mulch

mulch
[mʌl(t)ʃ]
noun
  1. [mass noun]a material (such as decaying leaves, bark, or compost) spread around or over a plant to enrich or insulate the soil
    覆盖料(为肥沃或保护土壤铺在植物四周或上面的腐叶、树皮或堆肥)
    ■[count noun]an application of such a material
    (覆盖料的)铺覆
    regular mulches keep down annual weeds.
    定期铺覆盖料可抑制杂草每年的生长。
    ■a formless mass or pulp
    无定形的一堆;浆状物
    a mulch of sodden brown stems.
    一堆湿透了的褐色枝干。
verb
  1. [no obj.]apply a mulch
    铺覆盖物
    ■[with obj.]treat or cover with mulch
    用覆盖料覆盖
语源
  1. mid 17th cent.: probably from dialect mulch 'soft' used as a noun, from Old English melsc, mylsc
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