英语翻译最好用 5 and half o'clock 这类格式

英语翻译最好用 5 and half o'clock 这类格式 什么是“half and half” 英语翻译是one and a half hours还是one and half an hours还是其他? 英语翻译1：one and a half apple2:one apple and a half第三种是什么 The W.H.O.says about two and one-half percent dietwo and one-half percent 是百分之几? 英语翻译：six-and-one-half-thousand-million dollars half and half 什么意思? 什么时候用half a 什么时候用a half?It takes half an hourIt weighs four and a half kilograms an apple and a half以及one and a half apple和half an apple分别用is还是are? We have English at nine o'clock and s_____ at half past ten. one and a half 英语翻译buses leave the Railway Station 20 minutes before and after every half hour from 6 a.m to 1o pm all tickets must be bought at the station Windoe BEFORE boarding buses half invitation and half forcing 求翻译 If was half in and half half a sandwich,half hour,one and a half hour.这些half的用法都不相同,该怎么理解?half hour正确吗，应该用half an hour? I go to school at half past seven and ______ there befor eight o'clock,and ______ start at eight. one year and a half作主语 ,谓语动词用单数还是复数?在线哈,大家速度点~~~最好来几个例句解释下 one and a half month用加s吗?