book department包括什么,用英语则么说?

book department包括什么,用英语则么说? 单词department什么意思 department什么意思 export department什么意思 department DEPARTMENT: department department department of agriculture什么意思? General Administrative Department 什么意思 Guest Services Department什么意思 courting department什么意思啊? R D department什么意思 The u.s.State Department什么意思 department store这个词组什么意思? Head of marketing department什么意思 Department of Immigration and Citizenship什么意思 marketing and sales Department什么意思