柯林斯詞典tributary /?tr?bj?t?r?/ (tributaries) 1. N-COUNT A tributary is a stream or river that flows into a larger one. 支流[oft N n] ...the Napo river, a tributary of the Amazon. ...納波河，亞馬孫河的一條支流。 返回 tributary劍橋詞典a river or stream that flows into a larger river or a lake （河流或湖泊的）支流 the Indre, a lesser tributary of the Loire 安德爾河，盧瓦爾河的一條較小的支流 返回 tributary