| 释义 |
mulchmQltFna covering, esp. made out of a mixture of decaying leaves, grass or plant material, which is used to keep water in the earth near plants and/or to protect them from WEEDS (= unwanted plants)（为护根、肥沃土壤、抑制杂草生长等所用的）覆盖料（或物），覆盖层Don't apply mulch until the soil has warmed up. [U]土暖后再加覆盖物。A bark mulch will keep down the weeds. [C]树皮做的覆盖物能抑制杂草生长。
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