any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops
同义词：crotalaria
rattlebox详细解释
rat.tle.box n.（名词）Any of various plants of the genusCrotalaria, having inflated pods containing seeds that rattle when the stem is moved. 猪屎豆：一种植物属于猪屎豆属 其豆荚扁平，当茎被摇动时，里面的果实能发出咔嚓咔嚓的声音
