✅ 第21课 · 学术英语 Academic English

答辩

Thesis Defense
你需要参加论文答辩:陈述研究、回答委员会提问、从容应对挑战。

💬 场景对话

You
Thank you, committee members, for being here today. I'll present the key findings of my thesis, 'Machine Learning Approaches for Early Detection of Alzheimer's Disease.'
感谢各位委员今天出席。我将汇报我论文的核心发现,'阿尔茨海默症早期检测的机器学习方法'。
Committee
Your methodology section mentions using a CNN model. Why did you choose CNN over other architectures?
你的方法论部分提到使用了CNN模型。为什么选择CNN而不是其他架构?
You
That's a great question. We chose CNN because it excels at extracting spatial features from medical images, which is crucial for identifying subtle patterns in brain scans. We also compared it with RNN and transformer models, and CNN outperformed them on our dataset.
好问题。我们选择CNN是因为它擅长从医学图像中提取空间特征,这对识别脑部扫描中的微妙模式至关重要。我们也与RNN和Transformer模型做了对比,CNN在我们的数据集上表现更优。
Committee
What about the ethical implications of using AI for medical diagnosis?
使用AI进行医学诊断有什么伦理考量?
You
An important concern. Our model is designed as a decision-support tool, not a replacement for clinical judgment. We included a transparency module that explains the model's reasoning, which addresses the 'black box' problem.
重要的考量。我们的模型被设计为决策支持工具,而非替代临床判断。我们包含了一个透明度模块来解释模型的推理,这解决了'黑箱'问题。
Committee
Thank you. Excellent defense.
谢谢。很出色的答辩。

📚 核心词汇

thesis /ˈθiːsɪs/
论文
📝 I'm defending my thesis today.
committee /kəˈmɪti/
委员会
📝 The committee asked challenging questions.
methodology /ˌmeθəˈdɑːlədʒi/
方法论
📝 Describe your methodology in detail.
architecture /ˈɑːrkɪtektʃər/
架构
📝 Why choose this model architecture?
outperform /ˌaʊtpərˈfɔːrm/
优于/表现更好
📝 Our model outperformed the baseline.
ethical /ˈeθɪkl/
伦理的
📝 Consider the ethical implications.
implication /ˌɪmplɪˈkeɪʃn/
影响/含义
📝 What are the ethical implications?
diagnosis /ˌdaɪəɡˈnoʊsɪs/
诊断
📝 AI-assisted diagnosis.
transparency /trænsˈpærənsi/
透明度
📝 Ensure model transparency.
defense /dɪˈfens/
答辩
📝 My thesis defense is next week.

📝 语法要点

答辩中的回答策略

回答委员会问题的框架

肯定问题:That's a great/important question.

直接回答:The reason is... / We chose X because...

提供证据:Our results showed that... / In our comparison, ...

承认局限:That's a valid concern. We acknowledge that...

应对不会的问题

I don't know. → 太直接

That's an interesting point. I haven't explored it in this study, but it would be worth investigating in future research.

I'd need to look into that more carefully, but my initial thought is...

🏋️ 实战练习

练习 1:翻译:我们选择CNN是因为它擅长提取空间特征。
💡 点击查看答案
We chose CNN because it excels at extracting spatial features.
🔑 excel at = 擅长
练习 2:翻译:我们的模型在所有指标上优于基线。
💡 点击查看答案
Our model outperformed the baseline on all metrics.
🔑 outperform = 表现优于
练习 3:写一个应对不会回答的问题的回复。
💡 点击查看答案
That's an excellent question. I haven't explored it in this study, but it would be a promising direction for future research.
🔑 承认局限 + 指出未来方向
练习 4:翻译:这个模型被设计为决策支持工具,而非替代临床判断。
💡 点击查看答案
This model is designed as a decision-support tool, not a replacement for clinical judgment.
🔑 not A, but B 结构
练习 5:翻译:我们的模型解决了'黑箱'问题。
💡 点击查看答案
Our model addresses the 'black box' problem.
🔑 address = 解决/应对

💡 实用小贴士

🔹 学术词汇不是越复杂越好。clarity > complexity。

🔹 写论文时,先写Method和Results,再写Introduction和Discussion。这样更顺畅。

🔄 场景扩展

🔸 答辩时穿着得体但不拘束。舒适的衣服让你更自信。

🔸 答辩前做一次mock defense(模拟答辩),让同学和导师扮演委员会提问。

🏆 成就解锁:答辩冠军!你能从容应对英文论文答辩了。学术英语阶段完成!🎉