downriver造句

1、During the 1990s, this river discharged over 100 million pounds of toxics downriver each year.
20世纪90年代，这条河每年向下游排放超过1亿磅的有毒物质。

2、Cologne is not so very far downriver from Mainz.
科隆离美因茨的下游处不远。

3、Sightseers drifted downriver on a raft.
观光客们乘着木筏漂向下游。

4、Sightseers drifted downriver on a raft
观光客们乘着木筏漂向下游。

5、Once the upstream reservoir breaks dam, the downriver dam will be threatened.
一旦出现溃坝，必将威胁下游水库的安全。