每次用完之后，我都要清理浴室的下水道、厕所以及沐浴。
I clean my bathroom sink and toilet and shower every time I use it.
每个星期，彻彻底底的用热水把下水道冲一次。30秒足以，这将有助于你在管道堵塞前将其清理干净。
Running plain old hot water down your drain for about 30 seconds once a week will help clear the drain before any blockage can build up.
六月二十二日的前一晚，天气预报说会有暴雨，大家很认真的清理了自家的下水道和排水沟，也很尽责的清理了屋檐上的落叶和松针。
On the eve of July 22, we were cautioned to clean our drains and gutters-heavy rain was expected, and so, dutifully, we cleared our eaves of leaves and pine needles.
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