The controlling factor is found to be a reduction in the supply of nutritive salts and the exposure of the plants to prolonged illumination or, better still, an increase in the intensity of the light, the efficiency of illumination depending on the consequent formation of organic substances such as carbohydrates.英文原著 · 《Darwin and Modern Science》
My two greatest enemies, Ross: Rachel Green and complex carbohydrates.美剧 · 《Friends》