keynote[
'ki`not]
n. 
调音,

音,

调
vt. 


政策, 
调
[医]
治
性(
势疗
词)

keynote
[ noun ]
- the principal theme in a speech or literary work
<noun.communication>
- a fundamental or central idea
<noun.cognition>
- (music) the first note of a diatonic scale
<noun.communication>
[ verb ]- set the keynote of
<verb.change>
Comfort keynotes this designer's Fall collection
- give the keynote address to (an audience)
<verb.communication>

Keynote \Key"note`\, n.
1. (Mus.) The tonic or first tone of the scale in which a
piece or passage is written; the fundamental tone of the
chord, to which all the modulations of the piece are
referred; -- called also {key tone}.
2. The fundamental fact or idea; that which gives the key;
as, the keynote of a policy or a sermon.