片语
opposite vertex angle对顶角
vertically opposite polyhedral angle[数]
opposite e angle对角
side opposite the angle对角边
opposite rudder angle反舵角
vertically opposite dihedral angle[数]
opposite vertical angle对顶角
an opposite vertical angle对顶角
side opposite an angle角的对边
vertical angle直角;高度角;[数] 对顶角