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圆锥形帽子,学生被罚戴以示其愚笨
dunce caps — plural of dunce cap
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圆锥形帽子,学生被罚戴以示其愚笨；一种拓扑空间,将三角形边界的两条边同向识别、第三条边反向识别得到；以前的学生被罚时所戴的纸帽
A conical hat that a school pupil is forced to wear to indicate that the person is a dunce.
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圆锥形帽子,学生被罚戴以示其愚笨
A conical hat that a school pupil is forced to wear to indicate that the person is a dunce.
一种拓扑空间,将三角形边界的两条边同向识别、第三条边反向识别得到
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.
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
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