n.三角墻；山形墻
The pediment's triangular wall surface, or tympanum, was often decorated with sculpture. 山形墻的三角形壁面，即山形墻壁面，常有雕刻裝飾。
開發(fā)障礙
n.障礙；阻礙；口吃
n.妨礙行進的重負；累贅
