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Healthy gums should look pink and firm, not red and swollen.
健康的牙龈看上去应该是粉色且牢固的，而不是红色且肿胀的。
youdao
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It causes the gums to become red, swollen and bleed easily.
它会导致牙龈变得红肿和出血容易。
youdao
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My gums are red and swollen.
我的牙床又红又肿。
youdao
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The gums become red and swollen.
牙龈变红和肿起。
youdao
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My gums are red and swollen.
我的牙床红肿。
youdao
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His gums are red and swollen.
他的牙床红肿。
youdao
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His gums are red and swollen.
他的牙床红肿。
youdao