HSK C5/W3
Correct

/ fǔ /
Strokes

Definition

to assist/to complement/auxiliary

Example

As a Verb
assist; complement; supplement
1
xué
自学
wénjiàn
文件
wéizhǔ
为主
  
,
xiǎo
小组
tǎolùn
讨论
wéi
为辅

focus mainly on studying the documents on one's own while allowing certain time for group discussions