Even after harvest, some kinds of produce should be kept apart. Apples, for example, release ethylene gas, a plant hormone. It can cause other foods to ripen too quickly.
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- 有些农产品即使收获了也应该分开放。比如,苹果会释放乙烯气体,一种植物激素,该激素能够让其它粮食很快成熟。