单词：upstream
a. 向上游的, 逆流而上的
upstream的用法和样例：
例句
- This is the upstream part of the lake.这里是湖的上游。
- The upstream fall is full of salmons.该瀑布上流有许多大麻哈鱼。
- A water vole swam vigorously upstream.一只水鼠奋力向上游游去。
- The salmons are running upstream.鲑鱼正在向上游洄游。
- We paddled the canoe slowly upstream.我们慢慢地划着独木舟逆流而上。
词汇搭配
- upstream side上流侧,上游侧...
- upstream anchor上游锚
- upstream water上层带水,上游水,上...
- upstream deposit河流上流沉积...
- upstream nosing上游鼻端
- upstream apron上游铺盖
- upstream face上游面
- upstream subsidy上游补贴
- upstream pressure进口压力,上游压力...
- upstream shell上游坝壳
- upstream fill(坝的) 上游楔形体...
- upstream end上游端
- upstream economizer逆流式省煤器...
- upstream channel上游河槽
- upstream migration溯河洄游
- upstream vessel上行船
- upstream slope上游坡
- upstream blanket上游铺盖
- upstream floor上游铺砌
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