During his lifetime, Yuan Longping spent more time in the farm field than in his office.

袁隆平一生中在农田里的时间比在办公室里的时间还多。

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She struck another match, this time, her gentle and loving grandmother came up, bright and happy as she had never looked during her lifetime.

她又划了一根火柴，这一次，她温柔慈爱的祖母走了过来，她看上去一生中都没有这样明媚快乐过。

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That's an opportunity to demonstrate to the public that climate change is happening, in their lifetime, in real time, on the ground in front of them.

这是一个演示给公众气候变化正在发生的机会，在他们的生命中，在真实的时间内，在他们面前的大地上。

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Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选

So we may live, in your lifetime, to a time when this burden of Southern history may get all but lifted altogether from Southerners, unless we don't forget the Civil War.

也许我们,在有生之年,不会看到这段历史给南方造成的阴影,完全消散,除非我们将内战遗忘

耶鲁公开课 - 美国内战与重建课程节选

Debuting at the same time as "super storm" Hurricane Sandy, the Livestream android app offers a new way for users to share their experience of a once in a lifetime event in real time with their social networks.

ENGADGET: Livestream for Producers Android app update brings live video broadcasts over wireless data connections

While you risk may change over time, your lifetime risk remains the same over your your lifetime.

FORBES: The Whole Truth About Wisconsin Individual Health Insurance Rate Expectations Under Obamacare

Time limits on lifetime welfare benefits -- five years -- and on finding work -- two years.

CNN: D.C. Brigadoon -- Applaud It While It Lasts!