upstream 的意思
upstream 的翻译
upstream
[ˈʌpˈstri:m]
释义：
adv.&adj. 逆流(的); 往上游(的); 向上游; 逆流地
例句：
We swam upstream against the current.
我们逆流向上游游去.
换一句
A water vole swam vigorously upstream.
一只水鼠奋力向上游游去.
换一句
The explorers paddled their canoe cautiously upstream.
探险者们谨慎地把独木舟向上游划去.
换一句