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- A person regarded as mentally dull; a dolt. 头脑迟钝的人；笨蛋
- A person regarded as mentally dull;a dolt. 头脑迟钝的人；笨蛋
- Mental dullness is prominent, and delirium may occur. 神志迟钝加甚，且可发生谵妄。
- I have periods of mental dullness that alternate with periods of very creative thinking. 我有时头脑很不好使，而有时思维又灵活到有很多创新的见解。
- A toxic condition caused by the chronic overuse of bromides, characterized by mental dullness, loss of muscular coordination, and sometimes skin eruptions. 溴中毒由长期过量使用溴化物而引起的中毒状态，症状是精神迟钝、肌肉协调能力丧失，有时出皮疹
- The dull play seemed to last an eternity. 这场乏味的剧似乎演个没完没了。
- Market dull and slacken no business report. 市场萧条胩衰退，没有有关交易的报道。
- The absence of color in that drawing make it dull. 那幅画因没有着色而显得晦暗。
- The dying fire was throwing out a dull red light. 将要熄灭的火发出暗红色的光。
- He winced mentally at the terrible news. 听到这个噩耗，他不由的心里一楞。
- The old man's life became dull and colorless. 老人的生活变得呆板无趣。
- I feel a dull pain in the stomach. 我觉得胃部隐隐作痛。
- A person regarded as ungainly or dull witted. 愚笨的人被认为是笨拙的或弱智的人
- He couldn't teach such dull children. 他教不好这样呆笨的孩子。
- He felt a dull ache in his shoulder. 他感到肩膀隐隐作痛。
- A mentally challenging problem or puzzle. 脑筋急转弯一个考验智力的问题或难题
- He is rather dull in comparison with others. 和别人比较起来，他相当迟钝。
- He wasn't rid of the mental burden. 他摆脱不了精神负担。
- She took drugs to dull the pain. 她吃了药以减轻疼痛。
- Her younger daughter was mentally retarded. 她的幼女是一个弱智儿童。
