mulch /ˈmʌlʧ/
護蓋物,護根,根籬(vt.)鋪護蓋物,做護根
Mulch n. Half-rotten straw, or any similar light, porous, organic substance strewn on the ground, as over the roots of plants, to protect from heat, drought, etc., and to hinder weed growth and preserve moisture.
Mulch, v. t. [imp. & p. p. Mulched p. pr. & vb. n. Mulching.] To cover or dress with mulch.
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mulch
n : a protective covering of rotting vegetable matter spread to
reduce evaporation and soil erosion
v : cover with mulch; "mulch the flowerbeds"