1221 - 1230

旁白 neutral

During the lecture , the students would often whisper to each other when they didn't understand the professor's explanation

在讲座期间，当学生们不理解教授的讲解时，他们经常会互相耳语。

旁白 neutral

During the lecture , the students would often whisper to each other about the difficult concepts

在讲座期间，学生们经常会互相耳语讨论那些难懂的概念。

旁白 neutral

The professor keeps his research materials in an orderly manner , which greatly improves his work efficiency

这位教授将他的研究材料整理得井井有条，这大大提高了他的工作效率。

旁白 neutral

The invention of smartphones brought revolutionary changes to our daily communication

智能手机的发明给我们的日常交流带来了革命性的变化。

旁白 neutral

The young scientist was considered a revolutionary in the field of renewable energy research

这位年轻科学家被认为是可再生能源研究领域的革命者。

旁白 neutral

The approximate time for completing this project is three months , depending on the team's progress

完成这个项目的大约时间是三个月，具体取决于团队的进展。

旁白 neutral

The approximate cost of the project is around $50 ,000 , which includes all necessary materials and labor

这个项目的成本大约为5万美元，包括所有必要的材料和人工费用。

旁白 neutral

The most important ingredient for success is hard work combined with perseverance

成功最重要的因素是努力与坚持的结合。

旁白 neutral

The experienced counsel provided valuable legal advice to the young entrepreneur

这位经验丰富的律师为年轻企业家提供了宝贵的法律建议。

旁白 neutral

The university provides professional counsel to students who need guidance in choosing their career paths

大学为需要职业规划指导的学生提供专业建议。

旁白 neutral

The professor dropped a subtle hint about the possible topics for the final exam during the lecture

教授在讲座中暗示了期末考试可能涉及的主题。

旁白 neutral

The professor gave us a subtle hint about the possible topics for the final exam during the lecture

教授在讲座中给了我们一个关于期末考试可能题目的微妙暗示。

旁白 neutral

The government tried to conceal the truth about the environmental pollution from the public

政府试图向公众隐瞒环境污染的真相。

旁白 neutral

Teachers need to assess students' progress regularly to adjust teaching methods accordingly

教师需要定期评估学生的进步情况，以便相应地调整教学方法。

旁白 neutral

The researcher tried to justify his conclusion with solid evidence and logical analysis

这位研究者试图用确凿的证据和逻辑分析来证明他的结论是正确的。