one and a half hours还是one and a half hour

one and a half hours 还是hour one and a half hours?还是one and a half hour? 是one and a half hours还是one and a half hour 一个半小时 英语：是one and a half hour 还是 one and a half hours 是one and a half hour 还是 one and a half hours 是one and half hours还是one and half hour? one hour and a half作主语谓语是单数还是复数?one and a half hours呢? 一个半小时英文怎么说到底是one and a half hour还是one and a half hours 哪个正确, one and a half hours 和 one hour and a half的意思一样吗 one and a half hours 和 an hour and a half 就是说 超过一个小时候 hour 英语翻译是one and a half hours还是one and half an hours还是其他? one hour and a half 是一个半小时 两半小时是不是 two hours and a half?