Meanwhile, one or more background GC threads will use idle cycles to get additional work done.

与此同时，会有一个或多个背景 GC 线程使用闲置周期完成余下的工作。

youdao

Likewise, finalizers are normally processed as a background task, so their cost is usually amortized across the system's idle time.

同样，终结通常是后台任务，所以它们常常在系统的空闲时间执行。

youdao

Your offline items can be synchronized in the background while your computer is idle.

计算机空闲时可以后台同步脱机项目。

youdao

Idle noise was 35.1dBa, which was only a couple of dBs above background noise in the living room.

ENGADGET: How-to: Build a multi-talented HTPC for (roughly) $1,000