用沙袋砌成的大坝使得爱荷华州雪松瀑布市区免遭雪松河河水的入浸。

A sandbagged levee is still keeping the Cedar River out of downtown Cedar Falls, Iowa.

youdao

用沙袋砌成的大坝使得爱荷华州雪松瀑布市区免遭雪松河河水的入浸。

A sandbagged levee is still keeping the Cedar River out of downtown Cedar Falls, Iowa.

youdao