单词：right-angular
音标：['rait'æŋɡjulə] ；
adj. 成直角的
right-angular的用法和样例：
例句
用作形容词(adj.)
- We learned about right angles in math class.在数学课上，我们学习了有关直角的知识。
- A square is a figure with four equal sides and four right angles.正方形是具有四个等边和四个直角的图形。
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