HSK 6
Correct

支流

/ zhīliú / 
Strokes

Definition

tributary (river)

Example

As a Noun

tributary; branch; confluent; feeder stream

1
Huánghé
黄河
de
的
yī
一
tiáo
条
zhīliú
支流

a tributary/branch of the Yellow River

2
Zhǔyào
主要
zhīliú
支流

main branch

As a Noun

minor aspect; non-essentials

3
Kǎolǜ
考虑
wèntí
问题
shí
时
  
,
bùyào
不要
bǎ
把
zhīliú
支流
dāngzuò
当做
zhǔliú
主流
  
。

In considering a problem, one mustn't mistake the non-essentials for the essentials.