modulate /ˈmɒdjʊˌleɪt/ ( modulating, modulated, modulates )

• 1. 

  V-T If you modulate your voice or a sound, you change or vary its loudness, pitch, or tone in order to create a particular effect. 调节(音量、音高、音调等); 改变 [书面]

  例：

  He carefully modulated his voice.

  他仔细地调节了自己的声音。

• 2. 

  V-T To modulate an activity or process means to alter it so that it is more suitable for a particular situation. 调节; 调整(活动或过程) [正式]

  例：

  These chemicals modulate the effect of potassium.

  这些化合物可以调节钾的功效。

• 3. 

  modulation N-VAR

  例：

  The famine turned the normal modulation of climate into disaster.

  饥荒将正常的气候变化演变成了灾难。