By Wednesday this week, those things were still on my list: dust, sweep, mop, vacuum, and clean the bathrooms.

这周三，我还没需要做：除尘、扫地、拖地、吸尘和清洁浴室。

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I also like that I can vacuum and clean in a lot less time, because there's less space to clean and less furniture to move around to get under it.

我多数也喜欢用真空吸尘器在最少的时间里进行打扫，因为没有多少空间要打扫，也没有多少家具要移开来清理。

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Cern had to clean "soot-like dust" from the firehose-size pipes meant to contain an extreme vacuum so that nothing would obstruct the proton beams passing through.

欧洲粒子物理研究所必须清理从消防水带那么粗的管道里冒出的“煤烟般的灰尘”，所以要安装极端超高真空设施保证质子光束畅通无阻。

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Paris employs a huge work force to keep the city clean and its use of golf cart-like vehicles to vacuum dog droppings has received admiring -- and sometimes wry -- attention in the international media.

CNN: We'll always have Paris