verb · an angle that is greater than 180 degrees but less than 360 degrees

在几何学中，大于180度的角被称为折转角。

verb · to change direction or return in the direction one came from

他走到路口，又折转回来。

verb · an angle that is greater than 180 degrees but less than 360 degrees

在几何学中，这种角度被称为折转角。

verb · to change direction or return back along the same path

他走到一半突然折转回来，发现钥匙没带。