v.调整；调节（声音）；变调
The speaker had a really noble voice which he could modulate with great skill. 这位演说者有副相当好的嗓子，他能很技巧地调整它。
He knows when to move upstage,when to modulate his voice,and when to throw away a line. 他懂得什么时候该移向舞台后方，什么时候该调整声调，以及什么时候该轻轻带过一句台词。
Please modulate the sound on the TV. 请调节一下电视机的音量。
Moreover, it has been shown to induce steatosis, modulate apoptosis, and increase cellular oncogenic potential. 更且，它会引起脂肪变性，调节细胞凋亡，增加细胞的致癌性。
