tidesn.潮汐名词tide的复数形式.tiden.趋势；潮流；潮汐；潮水v.渡过；（使）随潮漂流tidewater silverside绿银汉鱼tide level indicator潮汐水位指示器tideland soil science潮间地土壤学tideland salina plant潮滩盐沼植物tide-sensitive area感潮水域tide level predicting潮位预报tide controlled shore潮控滨岸tide generating force引潮力tide of the revolution革命潮流tide-dominated delta潮控三角洲

1. We dug clams in the flats at low tide.
   退潮时我们在浅滩挖蛤蜊。
2. They started sailing on the ebb.
   他们于退潮时出航了。