waxbill

例句：

1. 1. The waxbills were nesting in the tree.
   蜡嘴鸟们在树上筑巢。
2. 2. They observed the waxbills flying around the park.
   他们观察到蜡嘴鸟在公园里飞来飞去。
3. 3. The waxbills are known for their colorful plumage and sweet songs.
   蜡嘴鸟以其五彩斑斓的羽毛和悦耳的歌声而闻名。