Robot Dog Patrols Ancient Ruins of Pompeii

contraption: (기묘한) 기계, 장치 
This four-legged contraption is now patrolling the ancient city of Pompeii.

strut: 뽐내며 걷다
ruin: 유적, 잔해
keep an eye out for (something): (손상되거나 해를 입지 않도록) ~을 계속 지켜보다, 예의주시하다 
The robo-dog struts through the ruins of Pompeii keeping an eye out for trespassers.

structural integrity: 구조의 일체성
It’s also gathering data on the structural integrity of the site.

seal off: 봉쇄하다
volcanic debris: 화산 잔해 
…parts of the towns were sealed off by volcanic debris.

fertile site: 활동하기 좋은 장소, 얻을 것이 많은 장소 
It’s made them fertile sites for modern day historians of ancient Roman times.

relic hunters: 유물이나 유적을 찾아다니는 사람 
It’s also made the ruins attractive to illegal relic hunters.