Use your thumbs and forefingers to gently pull the floss from the gumline to the top of the tooth to scrape off plaque.

用拇指和食指沿着齿龈向牙冠方向缓和地拉扯牙线，以去除牙菌斑。

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We can just scrape off the burnt part and it'll look good as new.

我们将烧坏的部分刮掉，就会和新的一样了。

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The tannin and acidity of wine can scrape off the fat and proteins of cheese from the tongue.

酒中的单宁和酸可以去除奶酪在舌头上留下的脂肪和蛋白质。

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"If you paint a new house, you need to scrape off the old paint, " says Rabiner.

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Scrape off the black crispy bits all you want.

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Normally, baroque artists covering up an existing fresco would scrape it off, art historian Fernando Lopez told the Associated Press.

BBC: NEWS | Europe | Pigeons find hidden Spain fresco