例句：
The area has a wealth of bird life.
這個地區棲息著大量的鳥。
The bird had escaped from captivity.
那隻鳥已經逃離樊籠。
The bird disappeared into the scrub.
鳥消失在矮樹叢中。
The bird flapped its wings furiously.
那隻鳥使勁地拍打著翅膀。
There was a bird perched on the roof.
有一隻鳥落在屋頂上。
A bird had pecked a hole in the sack.
一隻鳥把袋子啄了個洞。