upstream例句
2024年07月07日 18:11:12
The barriers are lethal to fish trying to swim
upstream.
这些障碍物对于想要往上游游动的鱼儿来说是致命的。
Cities
upstream use the river to get rid of sewage.
上游的城市将污水排放到河里。
A barrage would halt the flow
upstream and lift the water level.
一道拦河坝将会在上游拦住水流，抬升水位。