柯林斯词典blue tit (blue tits) 1. N-COUNT A blue tit is a small European bird with a blue head, wings, and tail, and a yellow front. 蓝背樫鸟 返回 blue tit剑桥词典a small European bird with a blue head and wings and a yellow front 蓝山雀（一种欧洲小鸟，头部和翅膀呈蓝色，胸部黄色） 返回 blue tit