The flooded river was subsiding rapidly.是什么意思？

The flooded river was subsiding rapidly.

泛滥的河水正在迅速退落.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

flooded

adj. 被水淹的；v. （使）充斥（ flood的过去式和过去分词 ），大量涌来，（使）为水淹没，使大受感动；

例句
A dam burst and flooded their villages.
堤坝决口，淹没了他们的村庄。

river

n. 河，江，溪，巨流；

例句
...a licence to abstract water from the River Axe...
从阿克斯河中抽水的许可证

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

subsiding

v. （土地）下陷（因在地下采矿）( subside的现在分词 )，减弱，下降至较低或正常水平，一下子坐在椅子等上；

例句
Gradually the tension was subsiding , gradually the governor was relenting.
风潮渐渐地平息了.

rapidly

adv. 很快地，迅速地，立即；

例句
He had discovered politics and was rapidly becoming absorbed by it...
他接触到了政治并且迅速地对它着了迷。