I set my countdown timer alarm for 30 minutes right when I lie down.

每次我按下30分钟倒数计时器闹铃，然后就躺下。

youdao

The CX-2 has two timers: a stopwatch that counts up, and a count down timer.

CX-2有两个计时器：秒表既可以顺计时，又可以倒计时。

youdao

Down at the left of the game board is found the count down timer until the next intruders wave.

于左侧的游戏局发现，倒计时定时器，直至下一个入侵者的浪潮。

youdao

We're also posting a practice exam for you to take, so after you're completely done your studying, it's good to have everything done before you take the practice exam, and then sit down just with this sheet here and your calculator, and ideally a timer, and make sure you can do the practice exam in the allotted amount of time.

我们还将给出一份模拟试题，因此在你完全复习好之后，最好先复习完,再做这份模拟试题，坐下来,只拿出这张表与计算器，最好还有个计时器，确保自己完成模拟题,在规定的时间内。

麻省理工公开课 - 化学原理课程节选

You see, rather than letting the device stay on standby like most other Android devices, Nikon uses a shut-down timer that activates once Android goes on standby.

ENGADGET: Nikon Coolpix S800c hands-on: a closer look at the Android camera (video)

Set a timer for 5 minutes and write down as many things you can think of that your company could improve.

FORBES: More Career Management Moves In 5 Minutes Or Less

Set a timer for 5 minutes and write down as many options you can think of for earning money outside your current job.

FORBES: More Career Management Moves In 5 Minutes Or Less