/'mɒdjʊleɪt; [US] -dʒʊ-; `mɑdʒə,let/
v
1 [Tn] vary the strength, volume or pitch of (one's voice) 改变（嗓音）的强弱、大小、高低
*the actor's clearly modulated tones 那演员显然改变了的声调.
2 [I, Ipr] ~ (from sth) (to sth) change from one musical key to another 变调; 转调
*music that modulates frequently 频繁变调的乐曲
* to modulate from C major to A minor 从C大调变至A小调.
3 [Tn] (fml 文) adjust or moderate (sth) 调节, 调整（某事物）.
4 [Tn] vary the amplitude, phase or frequency of (a radio wave) so as to convey a particular signal 调制（无线电波）.

v
[Date: 1500-1600; Language: Latin;Origin: , past participle of modulari 'to play, sing', from modulus; MODULE]
[T]formal
to change the sound of your voice
[T]
to change a process or activity to make it more controlled, slower, less strong etc
　These drugs modulate the disease process.
[I + from/to]technical
to move from one key to another in a piece of music using a series of related chords
[T]technical
to change the form of a radio signal so that it can be broadcast more effectively
>modulation [,mɔdjʊ'leɪʃən (US) ,mɑːdʒə-/