资料来源 : pyDict

洪涛,急流,激流

资料来源 : WordNet®

riptide
     n 1: a stretch of turbulent water in a river or the sea caused by
          one current flowing into or across another current [syn:
           {rip}, {tide rip}, {crosscurrent}, {countercurrent}]
     2: a strong surface current flowing outwards from a shore [syn:
         {rip current}]