one and a half hours 一个半小时 ; 一小时半
two and a half hours 两个半小时
three and a half hours 三个半小时
nine and a half hours 九个半小时
and a half hours 四个半小时
two hours and a half 两个半小时
nine hours and a half 九个半小时
American children now spend an average of seven and a half hours a day watching television or playing with electronic devices.
VOA: special.2010.06.07
Like in high school, every day I would be in school for like six and half hours.
我在高中的时候,每天都会在学校学习六个半小时。
So I could do that in probably two and a half hours.
我可以用大约两个半小时的时间走完这段路程。
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