noun🔗Share小川, 溝A very small brook; a streamlet."After the rain, a tiny rill trickled down the hillside. "雨の後、小さな溝が丘を流れ落ちた。geographynatureenvironmentChat with AIVocabulary GamePractice Reading
verb🔗Shareちょろちょろ流れる, 流れ出るTo trickle, pour, or run like a small stream."The sweat started to rill down his forehead as he nervously waited to give his presentation. "プレゼンテーションをするのを緊張して待っていると、額に汗がちょろちょろと流れ始めた。natureenvironmentgeographyChat with AIVocabulary GamePractice Reading
noun🔗Share細長い溝, リルA long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies."The lunar rover spotted a rill cutting across the dusty plain. "月の探査車は、埃っぽい平原を横切る細長い溝を発見した。geologyastronomyspaceChat with AIVocabulary GamePractice Reading
