dorsal-fin

英 ['dɔːslf'ɪn] 美 ['dɔːslf'ɪn]

• 背鳍

dorsal-fin的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 dorsal fin:

1. unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance