four-and-a-half是多少啊?

four-and-a-half是多少啊? four and one-half million kilograms 是多少? four and a half minutes（啥意思） 翻译I'm about four and a half feet tall. half of them and a half是多少 3/4? I am four years old at home,and two and a half in a bus and seventeen and a half million 是多少 one and a half million 是多少?为什么 4点半是“a half past four"还是“half past four" Four years old at home,Two and a Half in Buses and Trains短文翻 four and one half meters 怎么翻译? four-and-twenty是多少