例句：

　　1、A bird preened its feathers.

　　鳥用喙整理它的羽毛。

　　2、A large bird flew past us.

　　一只大鳥從我們這兒飛過。

　　3、The wounded bird fluttered to the ground.

　　那只受傷的鳥撲著翅膀落到地上。