robin
noun [ C ] uk/ˈrɒb.ɪn/ us/ˈrɑː.bɪn/ (literary robin redbreast, uk/ˌrɒb.ɪn ˈred.brest/ us/ˌrɑː.bɪn ˈred.brest/)
（产于欧洲的）鸲，知更鸟;（产于北美的）旅鸫，美洲知更鸟
a small, brown European bird with a red front, or a similar but slightly larger brown bird of North America
Robins mostly appear in the winter and are commonly pictured on Christmas cards. 知更鸟在冬季最常见，经常被画在圣诞卡上。