pho.tic
adj.（形容词）
Of or relating to light.
光的，有关光的
Penetrated by or receiving light.
透光的；感光的，受光的
Designating or relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis:
透光层的：表明为进行光合作用而被足够的阳光穿透的水体表层的；或与之有关的：
例句：
the photic zone of the ocean.
海洋的透光带
