one-and-a-half 是什么意思？请进

一个半小时有两种表达法：one and a half hours / an hour and a half
for example:
She arrived one and a half hours late and spun a yarn about her being ill.

It took the old man an hour and a half to spell out the newspaper article.
相信我吧我是英语专业毕业的，不会骗你的