It's difficult to stop once you start watching its videos.

一旦你开始看它上面的视频，就很难停下来。

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Marriage is a lifelong commitment, so why would intimacy stop once you're married?

婚姻是一生的承诺，那么为什么让那种亲密的关系在你们婚后就停止了呢？

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Maybe it countered to my usual habits, because all of my friends and acquaintances know that I am a talkative and eloquent guy who can never stop once opening my mouth.

这可能与平常的我大相径庭，因为凡是认识我的人都知道我是一个爱说话而起说起来滔滔不绝的人。

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But,once the fire is out, the well still needs to be covered,or capped, to stop the flow of oil.

VOA: special.2009.03.22

And, in fact, once you teach an animal something, if you stop doing the teaching the response goes away and this is known as extinction.

事实上，条件反射形成以后，如果得不到强化,条件反应就会逐渐消失,这就是消退。

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And then once they like, pick the real people, I kind of stop watching it.

当只剩下那些厉害的人物时，我就不看了。

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They've grown up with scanning, text messaging and Googling, and they're not about to stop once they've hit the working world.

FORBES: Magazine Article

While video subscriber losses continued, the company hopes that these losses will stop once all subscribers shift to its digital platform.

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Recording will automatically stop once the file size has reached 4 GB.

ENGADGET: Olympus Stylus TG-625 Tough adds AF light for tricky shots in rough situations