girl[gɜ:l]和sir[sɜ:]中的ir发音相同:[ɜ:]
One day he carried off a young girl .有一天，他掳去了一个青年姑娘。
The girl looked at it with some disdain .女孩露出轻蔑的样子望着它。
A girl slouched in front of her .她前头有一个姑娘，没精打采地走着。
Alice was then a very pretty girl .艾丽斯那时是一个非常俊俏的姑娘。Please follow me， sir.
先生，请跟我来。
