名词
中文翻译：迟钝的头
同义词：
['dull-witted', 'slow-witted']
例句：
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1.The old man had a dull head and couldn't remember his own name.
那个老人头脑迟钝，连自己的名字都记不住。
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2. She was a slow-witted person who always made mistakes.
她是个迟钝的人，总是犯错。
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3.The dull-witted manager didn't notice the problem until it was too late.
迟钝的经理直到问题变得太晚才注意到。