four and a half minutes（啥意思）

four-and-a-half是多少啊? 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 four and a half minutes（啥意思） 翻译I'm about four and a half feet tall. It took us___to get there大神们帮帮忙A.fours and a half hours B.four and a half hour C.four and a half hours D.a half hours and four Four years old at home,Two and a Half in Buses and Trains短文翻译 four and one half meters 怎么翻译? four and one-half million kilograms 是多少? I am four years old at home,and two and a half in a bus and a train. it took him four and a half years to walk around the world 改为同义句 Why is the boy four years old at home but two and a half on buses? one and a half 4点半是“a half past four还是“half past four快 根据短文答题.nature programmes 什么时候开始?cartoons什么时候开始?spoets programmes什么时候开始?scienec fiction films什么时候开始?短文：Jenny comes home from school at half past four.The nature programme begins 15 minu a quarter and a half a billion and a half THREE AND A HALF怎么样 one + 名词 + and a half