释义 |
ˈright anglenoun [c] (mathematics数学) an angle of 90° 直角;90度角: ◇a square has four right angles. 正方形有四个直角。 ☞compare acute angle, obtuse angle and reflex angle. 与acute angle、obtuse angle及reflex angle比较。 ☞picture at angle 见angle插图 right an·gle /ˈ· ˌ··/n [c]an angle of 90°,like the angles at the corners of a square 九十度角,直角 |