一天晚上我正在补做阅读，忽然听到楼下传来很大的撞击声，像是输液架跌倒了似的。
One night I was in there catching up on some reading when I heard a loud crash from downstairs, almost like an I.V. rack had fallen over or something.
阅读只能部分地解决问题，铁轨上车轮嘎喳嘎喳的单调声，很快使你昏昏欲睡。
Reading is only a partial solution, for the monotonous rhythm of the wheels clicking on the rails soon lulls you to sleep.
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