Translation of cauterize in Spanish

Thank you for correcting my German, I always get confused with the words that put the verb at the end. Like the zu and the ab and the an... All new to me. I truly wish to continue our friendship.
Just as we finished exploring the temple and were about to leave the big tourist buses arrived. We listened to a Cambodian song played by a group of handicapped musicians and left to see other sites.
We asked for the price and were surprised to hear it: A hundred dollars a night. We were actually happy to hear the high price because we knew that if we would not find anything else there was still a good place to stay in.