“-”英语读法They are：S7-200,S7-300,and S7-400．那个短杠“-”用英语咋读?

“-”英语读法They are：S7-200,S7-300,and S7-400．那个短杠“-”用英语咋读? who are they 读法.不要翻译 ther are和they're读法有什么区别? 英语读法. 英语谜语:they are useful They are books 英语疑问句 英语 生日读法写法 1996.6.2 Are they your dogs?---------1No,they are’s 2Yes,they aren‘s3No,they are What are they doing英语作文 英语改错：They are our teacher. are,listening,they,to,music,英语造句 英语句子 They are not 的缩写 英语 They are there 改为倒装句 英语：Are they your aunt?改错题 (Are they girls?)怎样用英语回答 How much money are they?英语改错 英语 They are b——twelve. 英语题库They are not__sale怎么做