柯林斯词典bluebird /ˈbluːˌbɜːd/ 1. N any North American songbird of the genus Sialia, having a blue or partly blue plumage: subfamily Turdinae (thrushes) 藍知更鳥 返回 bluebird剑桥词典a small blue singing bird found in North America 藍鴝，藍色鳴鳥（北美小鳥，背及頭部有藍色羽毛） 返回 bluebird