例句：

　　This species of bird is decreasing in numbers every year.

　　這種鳥(niǎo)的數量在逐年減少。

　　The area has a wealth of bird life.

　　這個(gè)地區棲息著(zhù)大量的鳥(niǎo)。

　　The lake is noted as a home to many birds.

　　這個(gè)湖作為許多鳥(niǎo)類(lèi)的棲息地而聞名。