单词：deadened 

形容词

• 
  [1.a.deadened] (同义词:[dead( adj. 死的, 无感觉的, 呆板的, 不流动的, (语言、习惯)废弃了的, 熄灭的 n. 死者 adv. 完全地, 绝对的, 突然的 )]  [deadened( 污染不能起汞齐作用的 )]  )
• 
  注释列句：devoid of physical sensation; numb; "his gums were dead from the novocain"; "she felt no discomfort as the dentist drilled her deadened tooth"; "a public desensitized by continuous television coverage of atrocities"
• 近义词 -> [insensitive( adj. 对...没有感觉的, 感觉迟钝的 )] 
  
• 
  [2.a.deadened] (同义词:[deadened( 污染不能起汞齐作用的 )]  )
• 
  注释列句：made or become less intense; "the deadened pangs of hunger"
• 近义词 -> [dull( adj. 感觉或理解迟钝的, 无趣的, 呆滞的, 阴暗的 vt. 使迟钝, 使阴暗, 缓和 vi. 变迟钝, 减少 )]