half a与a half的区别We need 1/2 teaspoon vegetable oil.上句中,如果把1/2用文字表达,是half a teaspoon 还是a half teaspoon,这两个有什么区别?

a half与half a的区别 a half 与half of 的区别? half a与a half的区别We need 1/2 teaspoon vegetable oil.上句中,如果把1/2用文字表达,是half a teaspoon 还是a half teaspoon,这两个有什么区别? half与half of的区别 a half的中文 half a a half half a a half half an hour 和a half hour有什么区别? half 和 half a month有什么区别？ A.one and a half year`sB.a year and a half`sC.one and a half yearD.a year and a half的区别和用法A.one and a half year`sB.a year and a half`sC.one and a half yearD.a year and a half half the class 与half of the class的区别 We are Half a World Away的中文含义? 李宇春的《漂浮地铁》中的We are Half a World every half month与every half a month 哪个对 we are half a word away We are half a word alaway