VERB
缓和，减弱（感觉）；降低（声音）
If something deadens a feeling or a sound, it makes it less strong or loud.
例句
He needs morphine to deaden the pain in his chest...
他需要吗啡来缓解胸痛。
They managed to deaden the sound on TV every time the alleged victim's name was spoken.
每当提到据称是受害者的人的姓名时，他们都设法调低电视机的声音。