[ ɒ:'θɒgәnl ] BNC词频 29870 COCA词频 24671 a. 直角的, 正交的 n. 正交直线, 矩形面 s. statistically unrelated s. having a set of mutually perpendicular axes; meeting at right angles 复数: orthogonals 英汉双解字典由 ECDICT 提供