His voice came down the line as clear as a bell.

他的声音如铃声般清脆地从听筒里传出来。

《牛津词典》

No, he made the cell phone call to a land line — specifically, to the land line of his chief competitor at Bell Labs.

他打给了陆地上的电线，确切的说，打给了他的主要竞争者对手在贝尔实验室的陆地电话线。

youdao

First, get the Plan 9 image from the Bell Labs site, as indicated by the following command line.

首先，从贝尔实验室站点获得Plan 9映像，正如下面的命令行所示。

youdao

England may add Ian Bell to a batting line-up that has not been completely fluent of late.

BBC: Pakistan series should continue - Andrew Strauss

With new Internet telephony technology from Ericsson in place, Fisher claims that line is now clear as a bell.

FORBES: Srpska calling

The Steelmen stormed back and Bell was off his line quickly to make a good point-blank save from Murphy.

BBC: Sport - Football - Motherwell 0-1 Kilmarnock