plant capable of synthesizing its own food from simple organic substances
双语例句
Though most are photosynthetic, they are not considered truly autotrophic since they can become facultatively heterotrophic in the absence of adequate light. 尽管多数有光合性，但在从在缺少足够光线的情况下可变化为兼性异养生物，所以不被真正认为是自养生物。
