adj.9小时的
Nine hour standoff is over in Florida. 佛罗里达州一场持续9个小时的对峙结束了。
He averaged nine hours' work a day. 他平均每天工作九小时。
It take about nine hours to go there by train. 乘火车去大约要9个小时。
All were retested nine hours later. 大家都在九小时后被再次测试。
He sleeps for nine hours everyday. 他每天睡九个小时的觉.
