笨的,愚蠢的
Don't ask that bird brain; he knows nothing. 别问那傻瓜，他什么也不懂。
The penguin is a flightless bird. 企鹅是一种不会飞的鸟。
The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
The bird flapped its wings and flew away. 那鸟振翅飞去。
The bird is building a nest of straw and twigs. 这只鸟在用稻草和小树枝筑巢。
