pho.to.syn.the.sis
n.（名词）The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct.光合作用：在绿色植物或其它有机物中，以光作为能量来源，用二氧化碳和水合成碳氢化合物的过程。大部分形式的光合作用都释放氧气作为副产品
【引伸】
pho.tosynthet.ic
pho.tosynthet.ically
adv.（副词）
