vt.抑制 (感情),缓和 (疼痛),减弱 (声音)
He needs morphine to deaden the pain in his chest.
他需要吗啡来缓解胸痛。
Wood is used to deaden the noise.
木头可以用来消音.
He was given drugs to deaden the pain.
给了他止痛药。