单词 photopositive 释义 photopositive, a.|ftpztv|Also with hyphen.[f. photo- 1 + positive a. and n.]1. Zool. Of an animal: tending to move towards light.1914[see photonegative a. 1].1923Jrnl. Exper. Zool. XXVIII. 194 The photopositive reactions of insect...