Correct

哨所

/ shàosuǒ / 
Strokes

Definition

watchhouse/sentry post

Example

As a Noun

(sentry) post

1
Qiányán
前沿
shàosuǒ
哨所

forward post; outpost

2
Biānfáng
边防
shàosuǒ
哨所

frontier guard post

3
Yī
一
chǔ
处
  
/
gè
个
shàosuǒ
哨所

a sentry post