tributary

noun

1. a branch that flows into the main stream

Synonym: feederconfluentaffluent

adj

1. tending to bring about
being partly responsible for

e.g. working conditions are not conducive to productivity
the seaport was a contributing factor in the growth of the city
a contributory factor

Synonym: conducivecontributing(a)contributivecontributory

2. paying tribute

e.g. a tributary colony

3. (of a stream) flowing into a larger stream

1. 支流
A tributary is a stream or river that flows into a larger one.

e.g. ...the Napo river, a tributary of the Amazon.
纳波河，亚马孙河的一条支流
e.g. …a small tributary river.
一条小支流

1. (江河的)支流：canal 运河,沟渠,水道 | tributary (江河的)支流 | coast 海岸

2. 支流电路：trial version 试用版 | tributary 支流电路 | tributary station 支流站

3. 进贡的：tribune 讲坛 | tributary 进贡的 | tribute 礼物