We had to stop to fix a flat.

我们不得不停车修一下撒了气的轮胎。

《牛津词典》

We had to stop every few miles.

我们每走几英里就得停一停。

《牛津词典》

The system overheated and filming had to stop.

系统过热，拍摄工作不得不停下。

《柯林斯英汉双解大词典》

He had to stop when he got sick late in the two thousand seven season.

VOA: special.2010.07.26

The head of a string of pigs appeared, snout-up, over the ditch, and he had to screech to a stop and watch the rear of the last pig disappear shaking into the ditch on the other side.

这时候出现了一群猪，仰着鼻子走过水渠，他只好用一个急刹车,目送着最后一只猪大摇大摆地跨过水沟,消失在另一端。

耶鲁公开课 - 1945年后的美国小说课程节选

And you could interfere with a translation by degrading messenger RNA, for example. If you had a way to specifically chew up all the RNA molecules that are responsible for making a particular protein, you could stop it from being expressed even though your cell is trying to make it.

而你就可以通过,降解其mRNA来进行干扰,再举个例子,如果你能把表达特定蛋白的RNA,统统揪出来捣毁的话,你也能阻止这段基因表达,哪怕是你的细胞在努力表达这段基因

耶鲁公开课 - 生物医学工程探索课程节选

So to shut me up, we had to stop at our local convenience store.

NPR: Letters: Legal Immigrants and Hot Cheetos

Several months later, after more studies with the same results, they had to stop.

NPR: One Year Later, Guatemala Still Reeling from Stan

There was somewhere else he wanted to go, and she had to stop him.

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