noun🔗ShareArroyuelos, riachuelosA very small brook; a streamlet."After the rain, tiny rills trickled down the hillside. "Después de la lluvia, pequeños arroyuelos goteaban por la ladera.geographynatureenvironmentChat with AIVocabulary GamePractice Reading
noun🔗ShareSurcos, reguerosA long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies."The astronauts photographed the winding rills snaking across the dusty surface of the moon. "Los astronautas fotografiaron los surcos sinuosos que serpenteaban por la superficie polvorienta de la luna.astronomygeologyspacegeographyChat with AIVocabulary GamePractice Reading