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化石寻找者们挖掘出了一头被认为有50万年之久的大象遗骨。

Fossil hunters have unearthed the bones of an elephant believed to be 500,000 years old.

《柯林斯英汉双解大词典》

游客们可以看到安妮的原始日记，还可以爬到书架后面的房间，那里是安妮和她的家人用来躲避纳粹追捕长达两年之久的地方。

Visitors can view Anne's original diary and climb behind the bookcase to the room where she and her family hid from the Nazis for two years.

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I did that for about 10 months of period, and that resulted it being a better or the best Chinese search technology.

这样做了有10个月之久，结果就是,百度拥有了更好或者是最好的中文搜索技术。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Wentworth Miller is an actor. He graduated like 15 years ago.

演员温特沃斯·米勒也是普林斯顿的校友，他大约毕业已经有15年之久了。

知道约翰·纳什吗？ - SpeakingMax英语口语达人

I was going to say when you first start doing this, even people who have been doing it for a long time still go off on ten-minute daydreams before realizing that their minds were wondering.

我本想说第一次尝试时，但即便是修行多年的人,也会走神十分钟之久,方才意识到自己刚做了白日梦。

普林斯顿公开课 - 人性课程节选