论文lùnwénpaper; thesis; dissertationHSK 5PronunciationlùnwénExample sentence他花了三年时间写这篇博士论文。tā huā le sān nián shíjiān xiě zhè piān bóshì lùnwén.He spent three years writing this doctoral dissertation.Read and choose an answerOne fixed sampleExplore a sample