vacation可数么是go on vacatin 还是go on a vacatino

vacation可数么是go on vacatin 还是go on a vacatino go to vacation 和go on vacation 那个是度假 是go on vacation 还是go on a vacation?是go for vacation还是go for a vacation? go on vacation , in the vacation ；go on vacation ；on vacation 区别? go on vacation 和go on a vacation 的区别? go on vacation还是go on a vacation? go on a vacation与go on vacation的区别go on a vacation与go on vacation一样吗? go for one's vacation /on vacation/ take a vacation 英语翻译一单元是where did you go on vacation vacation度假是一个可数名词,但是 on vacation在度假为什么就不用加s呢? go on vacation 和go on a vacation 有什么区别这两个是一样的吗? go on vacation与go for vacation的区别 go on vacation与go for vacation的区别 go on vacation 与go for vacation 的区别 where did you go for your vacation ?where did you go on your vacation?哪个是对的? 英语翻译1 你放假了吗?能说 Are you on holiday / on vacation?be on holiday / be on vacation,记得是 在度假这个 意思,这两个词组,能表示,放假的意思么?第一句,写出两个同义的 翻译句子 2 go on vacation / go on a take a vacation 和 go on vacation 有什么区别?