n.(书、演说等的)要旨，主题，基调，主音
vi.给…定基调，说明基本政策作主旨发言，〈美〉在（会议等场合）发表施政方针

原形：keynote第三人称单数：keynotes复数：keynotes过去式：keynoted过去分词：keynoted现在分词：keynoting

In today's keynote, we'll explore the future of artificial intelligence and its impact on society.
在今天的主题演讲中，我们将探讨人工智能的未来及其对社会的影响。
The keynote address began with a bang, as the CEO showcased their groundbreaking new product.
演讲一开始就充满了活力，CEO展示了他们革命性的新产品。
She delivered a powerful keynote that left the audience captivated and inspired.
她的精彩演讲深深吸引了观众，激发了他们的灵感。
During the keynote, experts shared their insights on sustainable business practices.
专家们在演讲中分享了关于可持续商业实践的观点。
The keynote speaker emphasized the importance of collaboration in overcoming global challenges.
主讲人强调了在全球挑战面前合作的重要性。
After the technical overview, the keynote transitioned into a more personal narrative.
技术概述后，演讲转向了更为个人的故事叙述。
The keynote wrapped up with a call to action, urging attendees to embrace change and innovation.
演讲结束时，呼吁听众接受变革和创新。
The keynote speaker humorously illustrated the complex topic, making it easily understandable for all.
演讲者以幽默的方式阐述了复杂的主题，使之易于所有人理解。
The keynote discussion focused on fostering creativity and innovation within the tech industry.
讨论集中在激发科技行业内的创造力和创新。
Attendees eagerly anticipated the keynote by the renowned futurist, eager to learn about emerging trends.
与会者热切期待着著名未来学家的主旨演讲，希望能了解即将到来的趋势。