| 释义 |
poly·troph·ic
\|pälē.|träfik, -lə̇.|t-\ adjective
Etymology: poly- + -trophic
1. : deriving nourishment from more than one organic substance
< polytrophic pathogenic bacteria >
2. : producing nutritive cells one of which is attached to each developing egg in the ovary — used of an insect or the ovary of an insect; compare acrotrophic, panoistic |