当植物的光合作用减缓时，储存在水果中的糖被抽取出来为植物提供能量。
When the photosynthesis of the plants slows, sugar stored in the fruits is drawn off to supply the plants with energy.
很明显，乙烯是水果中天然的植物激素，使水果成熟。
Ethylene is the natural plant hormone in fruit that makes them turn ripe, apparently.
水果、蔬菜和全谷物能够提供对健康至关重要的营养和植物性化合物。
Fruits, vegetables and whole grains provide nutrients and plant-based compounds vital for good health.
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