The raindrop was beating against the windowpanes.是什么意思？

The raindrop was beating against the windowpanes.

雨点拍打着窗玻璃.

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。

raindrop

n. 雨点，雨滴；

例句
The raindrop was beating against the windowpanes.
雨点拍打着窗玻璃.

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。

beating

n. 打，敲打，[纸] 打浆，脉搏，失败；vt. （心脏等）跳动(beat的现在分词)；

例句
...the acquittal of six police officers charged with beating a suspect...
对6名被控殴打嫌犯的警官作出的无罪判决

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。