The first time I washed my hands for 20 seconds, it felt like an eternity. Eighteen months ago, the idea that I would spend more than a few seconds rinsing in the sink seemed excessive. Today, I scrub like a surgeon and think nothing of it.
我第一次洗手20秒的时候，感觉无比漫长。我会在水池前冲手不止几秒钟时间，这种想法在一年半以前还显得很夸张。现在我洗起手来就像一个外科医生，而且觉得这没什么。
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