Correct

蔽障

/ bì zhàng / 
Strokes

Example

As a Verb

block; obstruct; shelter

1
Gāi
该
gōngchéng
工程
zhǐzài
旨在
yíngzào
营造
fánghùlín
防护林
yǐ
以
bì
蔽
zhàng
障
fēngshā
风沙
  
,
zǔzhǐ
阻止
shāmòhuà
沙漠化
de
的
kuòzhāng
扩张
  
,
huīfù
恢复
tǔdì
土地
de
的
shēngchǎnlì
生产力
hé
和
kě
可
chíxù
持续
zhuàngtài
状态
  
。

The project is designed to serve as a windbreak to stop sandstorms, halt the expansion of desertification, and to restore land to a productive and sustainable state.

As a Noun

block; barrier; obstacle

2
Yuèguò
越过
bìzhàng
蔽障

negotiate obstacles

3
Qīngchú
清除
bì
蔽
zhàng
障

remove barriers