Correct

探察

/ tànchá / 
Strokes

Definition

to investigate/to observe/to scout/to seek out and examine/to explore

Example

As a Verb

survey; reconnoitre; observe; inspect

1
Tāmen
他们
yī
一
dào
到
zhè
这
zuò
座
xiǎozhèn
小镇
jiù
就
chūwài
出外
tànchá
探察
zhōuwéi
周围
qíngkuàng
情况
  
。

As soon as they arrived at the small town, they went out to explore the neighbourhood.

2
Shídì
实地
tànchá
探察

make an on-the-spot investigation; make a field survey

3
Tànchá
探察
xiànchǎng
现场

inspect the scene

4
Tànchá
探察
dìxíng
地形

survey the terrain/topography