什么是堆肥？如何开始呢

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fungi – n. any member of the kingdom of living things (as mushrooms, molds, and rusts) that have no chlorophyll, must live in or on plants, animals, or decaying material, and were formerly considered plants

emission – n. the act of producing or sending out something (such as energy or gas) from a source

garbage – n. food waste : discarded or useless material

pile – n. a quantity of things heaped together

backyard – n. an area at the rear of a house

recycle – v. to make something new from (something that has been used before)

ingredient – n. one of the things that are used to make a food, product, etc.

garden – n. an area of ground where plants (such as flowers or vegetables) are grown