| 单词 | photosynthesis |
| 释义 | pho·to·syn·the·sis (fō′tō-sĭnthĭ-sĭs)n. The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and a source of hydrogen (usually water), using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct. pho′to·syn·thetic (-sĭn-thĕtĭk) adj. pho′to·syn·theti·cal·ly adv. photosynthesisA. sunlight is absorbed by chlorophyll in a leaf B. carbon dioxide is taken in from the air C. water is transported from the roots D. glucose is synthesized and distributed throughout the plant E. oxygen is released |
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