英文缩写：hh
英文全称：half hour
中文音译：半小时
1、我得等半小时的公共汽车。
I had to wait half an hour for a bus.
2、到机场大概需要半小时。
It takes about half an hour to get to the airport.
3、考试时间为一个半小时。
An hour and a half is allowed for the exam.
4、他们用疾速的步伐走了半小时。
They maintained a breathless pace for half an hour.
5、晚了半小时以后演出终于开始了。
The performance finally started half an hour late.
6、公共汽车每半小时一班。
The buses run half-hourly.
