No one negates history out of a passing whim, but only under the impact of harrowing and unsuspected tragedies.

没有人一闪念就否定了历史，除非历经悲痛的打击与意料不到的悲剧。

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In this paper, the theory about shear and clash in harrowing ballast is suggested and the formulae for determining the power of harrowing ballast are deducted.

对清筛机的扒碴工作原理目前还研究不够，本文提出了剪切、冲击扒碴原理，导出了确定扒碴功率的公式。

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On a large television screen the previous day, Elisabeth, 42, had confronted her father with the full horror of her 24-year ordeal in hour after hour of harrowing prerecorded testimony.

前几天，42岁的伊丽莎白在一个巨大的电视屏幕上与父亲对质，这个事先就录制好的证词充满了她24年来分分秒秒的残酷经历。

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Other cases are different. As they wash dishes in the safety of the courtyard, Liseth and her friends are reconsidering their plans after the harrowing trip across Guatemala.

VOA: standard.2009.09.01

(MOIVE SOUND) Mixed in are harrowing memories shared by a generation of World War II veterans, like DiCaprio's character, as well as the Cold War tensions affecting so many lives in the 1950s.

VOA: standard.2010.02.27

Sheil and Audley give performances of harrowing power, their incarnations of blind tenderness and fierce desire building to outbursts of feral rage.

NEWYORKER: Sun Don't Shine

The jury of nine men and three women returned their verdict on the seventh day of deliberations after reliving the September 11 attacks through weeks of harrowing testimony and evidence.

CNN: Jury spares 9/11 plotter Moussaoui

One of the major decisions Jackson made was to omit depictions of the harrowing act that is at the heart of the story.

CNN: 'The Lovely Bones' is a 'positive' film, says Peter Jackson