Especially in physics class, competitors not only deliver vigorous speech, but also apply some effective debating techniques such as exact data citation, analogy, simile, and rhetorical questions.

• 尤其是物理班的同学，他们的辩论不仅非常有气势，而且有效地运用了一些辩论技巧，比如：准确的数据引用，运用类比，比喻，排比，反问等修辞手法。