dunce hat

名词 n.
中文释义

英文释义

名词 n.
  1. A conical hat that a school pupil is made to wear to indicate that he/she is a dunce. historical
  2. The topological space obtained by identifying the sides comprising the boundary of a triangle, two sides with consistent orientation and the third with the reverse orientation.

词形变化

dunce hats plural
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