stupidity

n.愚昧

stultify, stumble, stumbling-block, stump, stumpiness, stumpy, stun, stung, stunk, stunned, stunner, stunning, stunningly, stunt, stunt man (fem 阴性作 `stunt woman), stupefaction, stupefy, stupendous, stupendously, stupid, stupidly, stupor, sturdily, sturdiness, sturdy, sturgeon, stutter, stutterer, stutteringly, sty, sty (also stye), Stygian, style, styling, stylish, stylishly, stylishness, stylist, stylistic, stylistically,