idiot savant
noun [ C ] uk/ˌiː.di.əʊ.sæˈvɑ̃ː/ us/ˌɪ.di.ət sævˈɑːnt/ idiots savants or idiot savants
低能持才者,白痴学者
someone who has a mental disability but who is very good at doing a particular thing, for example remembering things
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