There is a way that fear could indirectly kill the birds, and that’s if they became so frightened and disoriented that they flew into objects at high speed.

另外一种解释是恐惧可以间接杀死鸟类，如果它们感到太恐惧而且被吓得晕头转向，它们就会以很高的速度冲向物体。

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The bursts of speed needed to catch their prey tire them out - meaning they need to rest after a kill.

它们在追杀猎物时的冲刺速度已经透支了体力，这意味着它们在上一次捕杀结束后需要养精蓄锐。

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But he was famous for the number of times he miscalculated the distance, or his speed, or mistimed things, thereby meeting the asphalt with more than enough force to kill himself.

但是，人们对他所熟知的是，他曾或好几次错误计算了要飞跃的距离或车速，或行为不合时宜，因此就造成落地的力量过大，足以导致自己死亡。

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Rotary dials and buttons kill the romance of slamming a car through quick, high-speed gear changes.

WSJ: Changing Gears: Auto Makers Ditch Familiar Shift Levers

But he was famous for the number of times he miscalculated the distance, or his speed, or mistimed things, thereby meeting the asphalt with more than enough force to kill himself.

ECONOMIST: Evel Knievel