是"less than an hour"还是"less than one hour"?

In+less+than+an+hour是甚么意思 翻译text you in less than an hour? more than one hour和more than an hour区别 The massage time after meals shall be less than one hour.怎么译 --- you cannot finish the book in less than an hour, i suppo Your sister will be here in less than an hour and we must be you sister will be here in less than an hour 这句话中的be是什么用法,为什 他每天看不到半小时的电视,英语这样说句型对吗：He watches less than half an hour on more than的反义短语是less than还是less than和fewer than! 是a one-hour ducumentary还是an one-hour documentary a one -hour还是an one-hour less than,less是副词词性么.