Translation of plomo

I grabbed a burger from an American fast food chain and swallowed it immediately, as I had not eaten for a while. I boarded the machine and could feel a slight stomachache but decided to ignore.
In addition, I want to inform you that I found a possibility to deliver a more Spanish lessons from Vocabulix. To my knowledge, the lessons are excellent and a great base for the Spanish training.
In order to get to this hidden lake one would have to row beneath a cave. On the other side of the cave the five of us were alone. The lake was surrounded by limestone mountains covered with tropical trees.