1、 All of this action takes place within about 100 milliseconds after the fly first spots the swatter.
在苍蝇觉察到苍蝇拍之后，这一整套动作在约100毫秒内发生。
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2、 With roughly 48 hours to do the job, Santa only has a little over 0.2 milliseconds to scamper between households.
圣诞老人有大约48个小时来完成这项工作，因此他只有超过0.2毫秒少许的时间在每个住户间疾走。
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