在一个美丽的夏日,你正舒服地躺在海滩上,沐浴着灿烂的阳光。尽管四周人声嘈杂,你却纹丝不动,安然闭起双眼,专心地聆听着海浪拍打礁石的悦耳声,尽情享受大自然的美——嘘,别看一动没动,但你可是在“进餐”呢!“什么?这不可能!”你马上会表示反对。不错,你正在“进餐”——说得准确一点儿,你的皮肤正在为身体吸收能量和制造“食物”。细胞利用太阳能把二氧化碳和水结合起来,生成碳水化合物。说得再清楚一些:你正在进行光合作用。但这并不是眼下的情景,而是发生在未来的某一天…… On a beautiful summer, you are comfortably lying on the beach, bathed in bright sunshine. Despite the noises around you, you are motionless, eyes closed safely, listen carefully to the sound of waves reeling the waves, enjoy the beauty of nature - Hush, do not look at a move did not move, but you “What!” What? This is impossible! “You will immediately object. Yes, you are ”eating“ - to be precise, your skin is absorbing energy and making ”food" for the body. Cells use solar energy to combine carbon dioxide with water to produce carbohydrates. To put it more clearly: You are doing photosynthesis. But this is not the immediate scenario, but it happens someday in the future ...