The window frame had rotted away completely.是什么意思？

The window frame had rotted away completely.

窗框已经完全烂掉了。

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。

window

n. 窗，窗户，窗口，〈美俚〉眼镜；

例句
Doran stuck his head out of the window to acknowledge the cheering...
多兰将头探出窗户向欢呼的人们致谢。

frame

n. 框架，构架，骨架，眼镜框，体系；v. 作伪证陷害，给…做框，制定，表达；

例句
He let out a cry that convulsed his bulky frame and jerked his arm...
他大叫一声，高大的身躯剧烈地抖了一下，手臂也突然一哆嗦。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

rotted

v. （使）腐烂， （使）腐朽( rot的过去式和过去分词 )；

例句
The grain just rotted and all they could use it for was animal feed.
谷物完全烂掉了，他们能将其派上的唯一用场就是作动物饲料。

away

adv. 离开，远离，在远处，消失；adj. 不在的，遥远的，客场比赛；

例句
She accelerated away from the kerb.
她加速驶离了马路牙子。

completely

adv. 完全地，完整地，完全，彻底，全部，一干二净，很，非常，充分，十分，万分；

例句
...a second career which absorbed her more completely than her acting ever had.
比演艺生涯更让她投入的又一职业