phototropic
adj. [生物] 向光性的
例句
Leaves are always positively phototropic.
叶子总是正向光性的。
Repelled by light; exhibiting a negative phototactic or phototropic response.
避光的，怕光的被光排斥的；表现为阴性。
The microorganisms employed include mainly chemical conversion bacteria , phototropic bacteria and alga .
所利用的生物体主要包括：化学转化细菌、向光性细菌和藻类。
