The professor's lecture was so fascinating that no one noticed the time passing.

教授的讲座如此引人入胜，以至于没有人注意到时间流逝。

同一单元的其他句子

• The professor emphasized the significance of high-frequency words in academic writing.教授强调了高频词汇在学术写作中的重要性。
• Can you identify the most frequently used verbs in this passage?你能识别出这篇文章中最常用的动词吗？
• Students should memorize high-frequency vocabulary to improve their reading speed.学生应该记住高频词汇以提高阅读速度。
• Do not underestimate the power of common words in everyday communication.不要低估常用词在日常交流中的力量。
• The teacher asked us to list at least twenty high-frequency nouns.老师要求我们列出至少二十个高频名词。