love bite
noun [ C ] UK uk/ˈlʌv ˌbaɪt/ us/ˈlʌv ˌbaɪt/ (US hickey)
爱痕（常指在脖子上留下的吻痕或咬痕）
a temporary red mark on someone's skin, often the neck, where someone has sucked or bitten it as a sexual act
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