Throw the potato peelings on the compost heap.
把土豆皮扔

堆上。
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She and her students are testing the effects on carbon storage of the compost that is created from waste — both agricultural, including manure and cornstalks, and waste produced in gardens, such as leaves, branches, and lawn trimmings.
她和她的学生正在测试由废物制造的堆肥
储存的碳的作用,这些废物既来
农业废料,包括粪肥和玉
,
来
花

生的废物,比如落叶、树枝和修剪草坪
生的废料。