bleeding gums的意思|示意
美 / /
英 / /
bleeding gums相关例句
Platelets cause clotting, and without those, people experience nosebleeds, bleeding gums and extended bleeding from cuts.
血小板具有凝血功能, 缺乏血小板会引起鼻出血, 牙龈出血和伤口出血不止.
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