mulch
[mʌltʃ] noun countable or uncountable
■a covering of decaying leaves that is spread over the soil in order to keep water in it or to improve it （为保持水分、肥沃土壤等用的）覆盖料（或物），覆盖层
[mʌltʃ] verb intransitive or transitive
■to put mulch on or around something 加覆盖层•[+ adv/prep] Mulch around the base of the roses.在玫瑰根部周围加覆盖层。 •Mulch the roses.在玫瑰的根部加覆盖层。 |