R 开头单词
river crab 河蟹;毛蟹,大闸蟹
river course 河道
river channelization [水利工程]河流渠道化
river channel 河道;河槽;船舶航道
river cascade development [水利工程]河流梯级开发
river bottom sediment [经济学]河底沉积
river boat 内河船;江船;河船
river biota [经济学]河流生物群
river bend [地理] 河湾;[地理] 河曲,河流弯曲
river bed [水文] 河床
river basin area [地球科学]流域片区流域面积
river basin [水文] 流域
river bank 河岸;河堤
river n. 河,江 n. (River)人名;(英)里弗