What stand in the middle of the"world"?It's____.

问题描述:

What stand in the middle of the"world"?It's____.

What stand in the middle of the"world"?It's__R__.
中文翻译:在“世界”中间站的是什么?是_____.
因为单词world有五个字母:W,O,R,L,D,中间的是R