v. 调整( modulate的第三人称单数 ); （对波幅、频率的）调制; <音>转调; 调整或改变（嗓音）的音调
英文释义
v change the key of, in music
v vary the pitch of one's speech
v fix or adjust the time, amount, degree, or rate of
v adjust the pitch, tone, or volume of
v vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)