| 单词 | modulate |
| 释义 | modulate v. 1. tr. a regulate or adjust. b moderate. 2. tr. adjust or vary the tone or pitch of (the speaking voice). 3. tr. alter the amplitude or frequency of (a wave) by a wave of a lower frequency to convey a signal. 4. intr. & tr. Mus. (often foll. by from, to) change or cause to change from one key to another. Derivatives modulation n. modulator n. Etymology: L modulari modulat- to measure f. modus measure |
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