Correct

宿营

/ sùyíng / 
Strokes

Definition

to camp/to lodge

Example

As a Verb

(of troops) camp (out); bivouac

1
Zài
在
shān
山
zhōng
中
sùyíng
宿营

camp out in the mountains

2
Lùtiān
露天
sùyíng
宿营

camp overnight in the open