这只鸟很快乐英语怎么说

这只鸟很快乐可以用英文表达为 "This bird is very happy."

来源：这句话的来源是描述一只动物的感觉或心情，通常是指鸟类，但也可以用于描述其他动物的感觉。

一些英文例句和中文翻译：

"The dog wagged its tail happily as its owner walked in the door." (这只狗看到主人回来时，兴高采烈地摇着尾巴。)
"The kitten purred contentedly as it curled up in its owner's lap." (这只小猫在主人腿上蜷缩着，快乐地发出呼噜声。)
"The parakeet chirped happily as it flew from one perch to another." (这只鹦鹉从一个支架飞到另一个支架时，高兴地叽叽喳喳叫着。)