savant

1. N-COUNT A savant is a person of great learning or natural ability. 学者; 专家[正式]

...the opinion of savants on the composition of the lunar surface. ...专家们对于月球表面成分的意见。

2. N-COUNT You can refer to someone as an autistic savant if they seem to be less intelligent than normal people but are unusually good at doing one particular thing. 自闭症特才