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。
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。
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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