"We start off by asking them to complete a national three-hour long educational program.

VOA: special.2011.07.29

Minnesota Public Radio does a fabulous hour-long program.

明尼苏达公共电台录的一小时节目就很棒

耶鲁公开课 - 美国内战与重建课程节选

and he set aside a couple of, like, one and a half-hour long appointments.

我们约定了两三次见面的时间，每一次都有一个半小时长。

与教授的面谈 - SpeakingMax英语口语达人