What’s the longest English word in the world? 世界上最长的英语单词是什么?

谜语：What’s the longest English word in the world? 世界上最长的英语单词是什么?

谜底：

Smiles. 微笑。Because there’s “a mile” between the first and the last letter.因为两个字母S中间隔了一里。