The keynote of a policy, speech, or idea is the main theme of it or the part of it that is emphasized the most.
例句
He would be setting out his plans for the party in a keynote speech...他将在其主旨发言中阐述他对该党的计划。Responsibility and moderation were to be the keynotes of their foreign policy.责任和克制将是他们外交政策的核心。
英汉词典释义
n.
要旨,主题
the keynote of a speech演讲的要旨The prime minister delivered the keynote address at the conference.首相在会上作了基调演说。World peace was the keynote of his speech.他的演说主旨是世界和平。
英英词典释义
Noun
1. the principal theme in a speech or literary work
2. a fundamental or central idea
3. (music) the first note of a diatonic scale
Verb
1. set the keynote of;
"Comfort keynotes this designer's Fall collection"