The staff in al Jazeera's Arabic and English newsrooms had, as it happened, undergone intense social-media training only the month before.
就在这个事件发生的前一个月，半岛电视台阿拉伯语和英语新闻编辑室的工作人员，刚刚进行了社交媒体紧急培训。
以前从不曾发生这种事情。
As it happened, Mr Zimmerman had developed a "data glove" some years before, with the intention of using it to mould virtual pottery.
巧合的是，Zimmerman几年前开发出了一个“数据手套”，想用它来烧制虚拟陶器。
It would have been better had this happened in a strategic way, and before rather than after the next extreme weather event.
假如这场争吵当时能以一种战略性的方式展开、而且能在接下来的一起极端天气事件之前而不是之后展开，那么本会有更好的效果。
Before her kindness and our love got the better of me, I had to tell her. 'Do you remember, the day it happened, just as we were falling asleep the phone rang?
在她的体贴和我们的爱情征服我之前，我必须告诉她。“你还记不记得，在事情发生的那天晚上，我们正要睡着的时候，电话铃响了？”
The second great reform era is the Progressive era, a great response to urbanization, industrialization and immigration, as it had never quite happened before.
第二个时期是进步时期，对于城市化的大力响应，工业化和移民入境，这是之前从未有过的。
Within the memory of living men, nothing like it had ever happened before in American public life.
在世人的记忆里，在美国的公务生活中从未发生过这类情形。
What happened in Istanbul had never happened before and it will never happen again.
在伊斯坦布尔发生的以前从没遇过，以后也不会再发生。
It happened that I had driven that kind of car before.
碰巧我过去曾开过那种汽车。
It had to be something else, something that happened before I entered the Biology room.
它是别的，这是发生在我进入生物室。
The shots sounded like a string of firecrackers and it was a moment before Gandhi's devotees realized what had happened.
枪声很像爆竹声响，片刻后，甘地的追随者才意识到发生了什么事情。
When Harry woke the following day it was several seconds before he remembered what had happened.
第二天哈利醒来时，过了几秒钟才想起发生了什么事。
It happened that father had sent us upstairs because he thought he would be able to lock the door-which was twenty feet away-before the animal reached it.
故事，记叙作者在南非的一次经历，最后补充说明作者父亲打发孩子们上楼的原因以及他后来匆忙上楼的原因。
It had been reported that the toxic effect of diabetes on embryos had happened early before it was imbedded.
研究表明妊娠合并糖尿病对胎儿的毒性作用在胚胎着床前期即已发生。
It was so wonderful. In 15 years of my career as a professional that had never happened to me before.
那种感觉真的很美妙，在我15年的职业生涯中，以前从没有发生。
It was so wonderful. In 15 years of my career as a professional that had never happened to me before.
那种感觉真的很美妙，在我15年的职业生涯中，以前从没有发生。
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