在1915年的10月，爱因斯坦投身于长达一个月的疯狂工作中。在此期间，他回顾了早先的一个数学策略，并且与方程式、证明法、修正法、数据更新等展开了一番搏斗。

In October 1915, Einstein threw himself into a month-long frantic endeavor in which he returned to an earlier mathematical strategy and wrestled with equations, proofs, corrections and updates.

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火山灰使欧洲的空中交通被破坏了长达一个月之久。

Ash from the volcano disrupted air traffic in Europe for more than a month.

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软件项目的迭代通常持续两个星期，有的甚至长达一个月。

Any software development projects use iterations that are two weeks long or even a month long.

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I mean, they last forever. You can keep them on for... like a month or something. Yeah, it's awesome.So, yeah.

它们可以维持很久。你可以把他们留在阅读器里，长达一个月。是的，太棒了，嗯。

我的爱好是读书 - SpeakingMax英语口语达人