资料来源 : pyDict

头脑不好的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Slow-witted \Slow"-wit`ted\, a.
   Dull of apprehension; not possessing quick intelligence.

资料来源 : WordNet®

slow-witted
     adj : mentally deficient [syn: {feebleminded}, {half-witted}]