perpendicular

确保将画框挂得与墙面完全垂直。

Make sure to hang the picture frame ___perpendicular to the wall.

建筑师确保墙壁与地板垂直。

The architect made sure the wall was ___perpendicular to the floor.

这座教堂的高耸拱门和垂直线条展现了典型的哥特式风格。

The church's tall arches and ___perpendicular lines showcase classic Gothic style.