I have bleeding gums.

我的牙龈出血。

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Chinese extract natural gas compound to prevent bleeding gums, slow periodontitis results are obvious.

天然复方中药精华，预防牙龈出血，减缓牙周炎效果显著。

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The research isn't conclusive, but red, swollen, and bleeding gums may point to health problems from heart disease to diabetes.

虽然这类研究还未有确切结论，但是红肿出血的牙龈可能导致很多健康问题，包括心脏病和糖尿病。

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Cambara remembers his gums bleeding prolifically and receding wastefully at a phenomenal rate, the inflammation, combined with the irritation on account of the tartar deposits, causing the loosening of several of his teeth.

NPR: Somalia's Farah: Humanizing a Broken Place

And the laser cuts gums without causing much bleeding.

FORBES: A Painless Root Canal?

The sailor was dirty and salty, but he wasn't hungry, and thanks to all the lime juice he'd drunk his gums weren't bleeding, his hair was still rooted, his breath wasn't as foul as it might be, and his lips were pinker than black.

NPR: Excerpt: 'Natives and Exotics'