A buzz went through the crowded courtroom.是什么意思？

A buzz went through the crowded courtroom.

拥挤的法庭里响起了一片乱哄哄的说话声。

buzz

vi. 嗡嗡叫，低声谈，散布：嗡嗡叫，发哼声，匆忙来去，奔忙；vt. 使嗡嗡叫，咕哝：用快而低的嗓音讲话，[非正式用语]低飞，打电话给…；n. 嗡嗡声，电话，乱哄哄的说话声，醉酒；

例句
A buzz of excitement filled the courtroom as the defendant was led in.
当被告被带进来的时候，整个法庭的人都激动起来，一片嘈杂。

went

v. 进行( go的过去式 )，去，进展；

例句
I went round the streets and found his new abode.
我走街串巷找到了他的新住所。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

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。

crowded

adj. 水泄不通的，拥挤的，肩摩踵接；

例句
The market-place and street were crowded with those who'd come to barter...
市场和街道上挤满了前来做物物交换的人。

courtroom

n. 法庭，审判室；

例句
This courtroom battle has been a poor advert for English justice.
这场法庭上的争论为英格兰的司法制度做了一次拙劣的广告。