problem-defining language問(wèn)題: question; problem定義: definition; delimiting語(yǔ)言: language問(wèn)題定義用語(yǔ)言: problem defining language問(wèn)題定義: problem definition; problem description下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
