唇 Lip
（重定向自Lip diseases）
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嘴唇是在人类及许多动物的脸上一个明显易见的器官，由上下两唇构成。两唇皆为凸出而柔软、并能由内部肌肉牵引而自由移动。唇是一个触觉器官，主要功能为帮助进食以及准确闭合发音而表达词语。
覆盖在两唇上的皮肤非常薄，使得唇的外观是呈偏红色的；当唇较干燥时，其外观颜色会较淡一些。
在表达情爱或性欲时，两人的嘴唇互相接触，即为亲吻；另一方面，性动作的爱抚也常用到嘴唇的接触。
Lip diseases
中文百科
英语百科
Lip 唇
（重定向自Lip diseases）
Lips are a visible body part at the mouth of humans and many animals.
Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a tactile sensory organ, and can be erogenous when used in kissing and other acts of intimacy.
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