长颈鹿的英文介绍,介绍的英文单词

giraffe 长颈鹿 [d i'rɑ:f]
长颈鹿的英语复数该怎么写呢
two giraffes (长颈鹿) are eating.
girɑffe 长颈鹿 / d 'rɑ:f/ it's big and tɑll.
giraffe「长颈鹿」