n.愚蠢，糊涂事

英文释义

n. The quality or state of being stupid; extreme dullness of perception or understanding; insensibility; sluggishness.

n. Stupor; astonishment; stupefaction.

词干

stupidity 愚蠢行为，糊涂
→ stupid，愚蠢的，糊涂的，-ity，名词后缀。