run across

1.偶然碰见,偶然发现;2.跑着越过,穿越;3.作短暂旅行(或访问)

rumbustious, ruminant, ruminate, rumination, ruminative, ruminatively, rummage, rummage sale, rummy, rumor, rumour, rumour (US rumor), rumoured (US rumored), rump, rumple, rumpus, rumpus room, run, run (sth) down, run (sth) off, run across (into) sb.(sth.), run after, run after sb, run along, run at sb, run away (from sb/...), run away with, run down, run for, run into, run into sb, run off, run on, run one's eyes over, run out, run out at, run out from, run out of, run over, run over with,