right angle
US /ˌraɪt ˈæŋ.ɡəl/
UK /ˌraɪt ˈæŋ.ɡəl/

名词
1.
直角
an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines
示例:
•
The two walls meet at a perfect right angle.
两面墙以完美的直角相交。
•
Draw a line perpendicular to the base to form a right angle.
画一条垂直于底边的线,形成一个直角。
在 Lingoland 学习这个单词