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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An Android task manager to kill useless background processes is mandatory, at least if you want your phone running at top speed.

如果你想让你的手机处于最高速的运行状态，这是一个相当棒的Android任务管理器，用来杀掉后台进程。

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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