dunce cap
短语n. 以前的学生被罚时所戴的纸帽
词形变化
dunce caps
复数
dunce caps
别名
dunce's cap
释义与例句
n.
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1.
A conical hat that a school pupil is forced to wear to indicate that the person is a dunce.
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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.