bird是可数名词,复数形式为birds。延伸:birdie是小鸟
第三人称单数: birds复数: birds现在分词: birding过去式: birded过去分词: birded
The bird is now a rare sight in this country.
如今在这个国家,这种鸟已罕见了。
The birds are found in over 70 different localities.
现已发现这种鸟栖息在70多个不同的地区。
The cat was on the wall, watching for birds.
那只猫在墙上伺机捕捉鸟儿。