gonopodium A term given to the anal fin (or the anterior portion of it) of a male fish when it is modified to serve as a copulatory organ, e.g.是什么意思_gonopodium A term given to the anal fin (or the anterior portion of it) of a male fish when it is modified to serve as a copulatory organ, e.g.在线翻译_英语_读音_用法_例句