When you cut your finger, if some dust from the floor goes into the cut, some germs would go into your finger.

当你割伤手指时，如果地板上的灰尘进入伤口，一些细菌就会进入你的手指。

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It's easy to let your car go a while without having it washed, and some artists make it even easier, by creating beautiful works of art using only a brush and the dust coating your neglected vehicle.

不用洗车也能让你的汽车体面上路，一些艺术家利用刷子和因为长期不使用而布满车体的灰尘创作出了漂亮的艺术作品。

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Put your credit card away (better still, cut it up), dust off your tent, get on your bike and go and put the adventure back in your life.

把信用卡扔到一边（折断更好），掸掉帐篷上的灰尘，骑上自行车，重拾你冒险的雄心。

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Brian Smart, whose wife Elizabeth is landlady, would have mixed feelings if the pub was rebuilt at the museum but said it would be "better than seeing it go to dust".

BBC: The Vulcan Hotel

It will study the clouds of gas and dust that go into making stars and planets.

BBC: Alma telescope: Ribbon cut on astronomical giant

Off we go, in a puff of dust.

CNN: DISPATCHES FROM FLOOD COUNTRY