The wings were at right angles to the line of flight.机翼与航线成直角。The sum of all the angles of a triangle is 180 degrees.三角形内角总和为180度。His face will be discreetly concealed by camera angles.通过调整照相机的角度，他的脸将被巧妙地遮住。...
an inoperable cancer不宜动手术的癌an inoperable tumor不能施行手术的肿瘤He was diagnosed with inoperable lung cancer.他被诊断患了无法手术的肺癌。an inoperable brain tumour不能动手术的脑瘤Warning: If you ignore this error, you may render your device inoperable...