Translation examples
El pasadizo inferior era perfectamente redondo, con paredes de cemento liso y algas negras y un riachuelo en el fondo.
He saw that the lower passageway was perfectly round. It was smooth concrete with black algae and a trickle of water at the bottom of its curve.
Se manejaban y detenían por fuerza muscular, pero el modo en que lo hacían dependía del agarre de cuatro globos de goma contra el cemento liso.
They were steered and stopped by muscle power, but whether they could turn or stop depended on how hard four rubber balloons could grip smooth concrete.