e-mail是否为可数名词课本中有两句话.How often do you write e-mails to your friends?I'd love to get some e-mail from somebody in Canada.到底何时应加s

e-mail是否为可数名词课本中有两句话.How often do you write e-mails to your friends?I'd love to get some e-mail from somebody in Canada.到底何时应加s e-mail是不是可数名词? e-mail是可数名词吗 e-mail这个单词是可数名词还是不可数名词小学英语课本（pep)句子上有e-mails但是中学英语课本（新起点）句子上有e-mail（faxes and e-mail)回答时请注明出自哪部字典, e-mail在什么情况下是可数名词,举例 disagreement是否为可数名词 e-mail可不可数? force是否为可数名词课本上有一个词组magnetic forces，这是怎么回事 cookie 和 pie 是否为可数名词 You have new mail!我在完型中看到这句话.mail不是可数名词吗?为什么这里you have new mail没有冠词 mail也没变复数? e-mail是可数名词还是不可数名词?老师说：“当它为可数名词时是‘电子邮件’的意思；当它为不可数名词是是‘电子邮件系统’的意思.”(不太信）字典上说：是不可数名词.词典上说：可数 noise是否可数名词? mail一词属于可数名词还是不可数名词? we got over 1000 letters,faxes and e-mail from our readers about their New Year's resolutionse-mail做可数名词和不可数名词均可,为什么这里的letter,fax 加s,而e-mail不加s work作著作时,是否为可数名词? pastry是否可数?pastry可数名词吗? bay、rice是否可数名词 orange是否是可数名词