half cup a half cup half a cup 那个正确?

half cup a half cup half a cup 那个正确? half a cup of milk和a half cup of milk哪个正确 half a cup of milk 为什么half要放在前面 half a cup of milk和half a milk cup哪个是半杯牛奶 怎么用的 I’d like half a cup of coffee.（对half a cup提问） 英语翻译Faced with a half cup of water,what would you think?Woul for seeing the cup always half full”的翻译 a half/half a a cup we must feel that our cup is half full and not half empty怎么翻 Is your cup half empty or half full ?这句话是什么意思 half a