She is the tallest of the three girls.

问题描述:

She is the tallest of the three girls.
这里为什么不用in,而用of?

我个人觉得有点小问题!加“one”
She is the tallest one of the three girls.
她是那三个女孩中最高的一个.
of后面要加上同类的词;
in后面要加上表示范围的词;