n.主旨；主音
v.作主旨发言；定基调
World peace was the keynote of his speech. 他的演说主旨是世界和平。
Unemployment has been the keynote of the conference. 会议的主题是失业问题。
The first note of a diatonic scale: the keynote. 主音自然音阶的第一个音阶：主音阶。
用作动词 (v.)The governor will keynote the convention. 州长将发表施政方针的演说。
n.政党方针的演说人；作基调演说者
