1)level of ebb tide,退潮水位2)a high tide mark;a high tide departure.,高潮水位线;高潮退潮3)The tide was receding.,潮水在退。4)The tide has receded.,潮水退了。5)water level (tide level),水位(潮位)6)tidewater level,潮水水位
用法和例句
The lower the tidewater level is,the higher the concentration of TN,TP,and NH3-N is.