anadromous是什么意思

anadromous

英 [ə'nædrəməs] 美 [ə'nædrəməs]

anadromous (adj.): of fish, "ascending a river to spawn" (as salmon do), 1753, from Latinized form of Greek anadromos "running upward," from ana "up, back" (see ana-) + dramein "to run" (see dromedary).