downstream 的英语意思
downstreamdownstream /ˌdaʊnˈstriːm◂/ adverb 
查看全部语言翻译 in the direction that the water in a river or stream is flowing顺流；沿水流方向 OPP upstream: 
a boat drifting downstream一艘顺流漂行的船
查看全部语言翻译 in the direction that the water in a river or stream is flowing顺流；沿水流方向 OPP upstream: a boat drifting downstream一艘顺流漂行的船