候鸟 hòuniǎo migratory bird Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 为什么每次你在附近的时候,鸟儿就会突然出现? wèishénme měicì nǐ zài fùjìn de shíhou, niǎor jiù huì tūrán chūxiàn? Why do birds suddenly appear every time you are near? Source: CCMatrix