对顶角

duì dǐng jiǎo

释义

1. angle to the vertical
2. angle (between two lines or two planes)

对顶角 的构成词

• 对 duì: right; correct
• 角 jiǎo: angle
• 角 jué: role (theater)
• 顶 dǐng: apex
• 顶角 dǐng jiǎo: angle at apex