短語詞組短語Swam downriver 向下游游泳;順流獨(dú)木舟賽downriver channels 下行通道downriver ventilation 下行風(fēng)downriver boat 下水船downriver downstream 船從上游向下游行駛downriver lower 下游的downriver channel 下游河道downriver area 下游區(qū)Huaihe River downriver 淮河下游 返回 downriver