noun🔗Share细流，小溪。 A very small brook; a streamlet."After the rain, tiny rills trickled down the hillside. "雨后，细小的溪流从山坡上潺潺流下。geographynatureenvironmentChat with AIVocabulary GamePractice Reading
noun🔗Share月沟，细沟 A 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. "宇航员们拍摄了蜿蜒的月沟（细沟），它们像蛇一样在月球尘土飞扬的表面上延伸。astronomygeologyspacegeographyChat with AIVocabulary GamePractice Reading
