file expression文件: document; file; papers; inst ...表達(dá)式: representation; expression條件表達(dá)式: conditional expre ion; conditional expressions物件表達(dá)式: object file簡(jiǎn)單條件表達(dá)式: simple condition expression下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯