字典網>> 英漢字典>> S開頭詞條>>secondary area的意思 漢英字典secondary area中文翻譯：【電】 副區相關句子：A secondary area of specialized academic study, requiring fewer courses or credits than a major.輔修專業學術研究的第二個特定領域，其要求的課程和學分比主修課要少 字典網相關詞條：secondary valency secondary coccidioidomycosis secondary contraction secondary coolant secondary data set group secondary failure secondary cluster secondary lesion secondary acting secondary metabolism