round robin

1 statement, petition, etc signed by a number of people, often with signatures arranged in a circle to conceal who signed first 圆形签名陈情书、 请愿书等（签名排列成圆形, 故分不清先後）. 2 letter sent in turn to members of a group, each of whom adds sth before sending it on to the next 传阅的信件（各成员传阅并签注意见）.

rouble (also ruble), roue, rouge, rough, rough house, rough luck, rough-and-tumble, rough-hewn, roughage, roughcast, roughen, roughly, roughneck, roughness, roughshod, roulette, round, round and round, round brackets, round off, round trip, round up, round-eyed, round-shouldered, round-table, round-up, roundabout, rounded, roundel, rounders, Roundhead, roundish, roundly, roundness, roundsman, rouse, rousing, roustabout, rout, route,