HSK V7-9
Correct

拓宽

/ tuòkuān / 
Strokes

Definition

to broaden

Example

As a Verb
widen; broaden; extend
1
Tuòkuān
拓宽
dàolù
道路

widen a road

2
Tuòkuān
拓宽
shìchǎng
市场

expand the market