例句與造句

1. The modifications included narrowing and shaping the walls above the stage to reduce the volume of space and increase useful reflections, replacing the cloud of reflector discs with a more effective array that covers a larger area and is computer adjustable, moving the walls of the floor-level seating inward to make the audience area narrower and more rectangular, adding aisles to replace the former continental seating, adding diffusing elements in various parts of the hall, and increasing the  rake of the floor seating to provide better sightlines.
2. It's difficult to find diffusing element in a sentence. 用diffusing element造句挺難的