第1个回答 2006-03-19
five hours and a half
five and a half hours
两种都行
第2个回答 2006-03-19
five and a half hours
five point five hours
five hours and a half本回答被提问者采纳
第3个回答 2006-03-19
写的话就写5：30
说就说 five and half hours
第4个回答 2006-03-19
five hours and a half
第5个回答 2006-03-19
five hours and a half