modulate
/ˈmɒdjʊleɪt/verb
with obj.
1- exert a modifying or controlling influence on调节; 调整：
the state attempts to modulate private business's cash flow.
国家试图调节私有企业的现金流动。
1.1
- vary the strength, tone, or pitch of (one's voice)变化（嗓音）的音量（或音调、音高）, 调节：
we all modulate our voice by hearing it.
我们都通过听来调节嗓音。
1.2
- alter the amplitude or frequency of (an electromagnetic wave or other oscillation) in accordance with the variations of a second signal, typically one of a lower frequency改变（电磁波或其他振荡）的振幅（或频率）, 调制：
radio waves are modulated to carry the analogue information of the voice.
调制无线电波以传送嗓音的模拟信息。
1.3
- no obj. Music change from one key to another【乐】使转调：
the first half of the melody, modulating from E minor to G.
乐曲的前半部, 从E小调转向G调。
1.4
- no obj.
modulate into
change from one form or condition into (another)变成, 成为： the fraught silence would modulate into conciliatory monosyllables.
紧张的默默无言会转成意在和解的片言只语。
派生词
modulation
nounmodulator
noun词源
mid 16th cent. （in the sense 'intone (a song)'）： from Latin modulat- 'measured, made melody'， from the verb modulari, from modulus 'measure' （see MODULUS）.