The walls were bare except for a clock.

墙上除了一只挂钟什么也没有。

《牛津词典》

She'd heard a clock somewhere strike the hour as she'd slipped from her room.

她悄悄地从自己房间里溜出来时，听到某个地方的一只时钟正在整点报时。

《柯林斯英汉双解大词典》

That's why we have a clock in system.

这就是为什么系统中有一个时钟。

youdao

For many years after Mister Harrison's work was completed, the idea of using a clock to learn longitude was rejected.

VOA: special.2010.07.14

Gallium arsenide switches ten times faster than silicon All of a sudden,I've got a clock speed ten times faster with no change in design.

砷化镓启动的速度是硅的10倍,突然，我得到了10倍快的时钟速度,但是设计没有发生任何改变。

麻省理工公开课 - 固态化学导论课程节选

One way to mark time is to imagine it carries a clock as it moves, and put markers every second.

标记时间的一种方法是,想像它带着时钟运动,并且每秒做一次标记

耶鲁公开课 - 基础物理课程节选

It's like wondering how many times I take a deep breath, or look at a clock.

ENGADGET: The outrage and sadness of Google Reader's demise

The play was like a clock, every word spoken was another tick of the second hand.

NPR: Excerpt: 'Manhunt'

As a sport played without a clock, a baseball game occurs out of time.

CNN: Baseball is back, thank God