To whiten teeth that are stained at a deeper level, talk with your dentist.

如果染色比较深了想洁白，就和你的牙医谈谈吧。

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You'll feel like you got a jump on the competition. Then whiten your teeth.

你会觉得自己在竞争中提高了一个档次。

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Now you can easily and effectively whiten your teeth at home.

现在你可以非常容易而快速地在家美白你的牙齿了。

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Now you can easily and effectively whiten your teeth at home.

现在你可以非常容易而快速地在家美白你的牙齿了。

youdao