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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
通过弯曲嘴角肌肉形成的面部表情,通常露出前牙,无声,是人类常见的快乐、愉悦、娱乐、善意或焦虑的自发或自愿表达
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通过弯曲嘴角肌肉形成的面部表情,通常露出前牙,无声,是人类常见的快乐、愉悦、娱乐、善意或焦虑的自发或自愿表达；嘴角上扬的面部表情,通常表示愉悦或开心；恩惠；有利的关注；微笑；喜色
A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement, goodwill, or anxiety.
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通过弯曲嘴角肌肉形成的面部表情,通常露出前牙,无声,是人类常见的快乐、愉悦、娱乐、善意或焦虑的自发或自愿表达
A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement, goodwill, or anxiety.
嘴角上扬的面部表情,通常表示愉悦或开心
a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
恩惠；有利的关注
Favour; propitious regard.
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
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