upstream
adv. 向上游; 逆流地
Something that is moving upstream is moving towards the source of a river, from a point further down the river. Something that is upstream is towards the source of a river.
The water rose high enough for them to continue upstream.
水位涨得够高了,他们可以继续向上游航行。
...the river police, whose headquarters are just upstream of the Isle St Louis...
总部设在圣路易岛上游的水警
1. in the direction against a stream's current
1. toward the source or against the current
2. against the current;
He swam quartering upstream, but still was swept downward rather faster than he had expected.
他向上游游去, 可是河水老是要把他往下游冲,流速比他想象的要快得多.
The ice blocks up the river, making the upstream water unable to flow.
冰把河道堵住了, 上游的水流不下来.
The proxy server received an invalid response from an upstream server.
代理服务器接收到了来自逆行服务器(总服务器)的无效回答.
The PR density was higher in the downstream and biomass was higher in the upstream.
而捕食者在整个流域内的密度上游小于下游,生物量却是上游大于下游.
Close both the hot and cold water shutoff valves upstream nearest to the intended installation.
关闭离计划安装位置最近的上游热水和冷水的关断阀.