对顶

对顶 [duì dǐng]

1. ■ opposite vertex

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常用词组

1. ■ 对顶角 {数} vertical angles; vertically opposite angles;

2. ■ 对顶梯形 double trapezium;

3. ■ 对顶线 diagonal;

4. ■ 对顶锥 double cone