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在城市,木炭是一种最主要的烧烤类燃料;在农村,许多家庭用木柴或木炭做饭。但是,生产木炭或柴火需要砍伐树木,导致生态环境受
In the city, charcoal is a major type of barbecue fuel; in rural areas, many families use wood or charcoal for cooking. However, the production of charcoal or firewood requires the felling of trees, resulting in ecological environment