The interior of the church was plain and simple.

教堂内部朴素无华。

《牛津词典》

Plasterers apply finish, and maintain and restore plaster or similar materials, on interior and exterior walls, ceilings and building partitions to produce plain or decorative surfaces.

泥水工在内部和外部的墙壁，天花板和建筑物分区上进行完善，并维修和恢复石膏或类似的材料，使其产生平滑或装饰性表面。

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A small and simple ceiling fan light on the other hand can lend a stylish look to an otherwise plain interior.

一个小而简单的吊扇灯另一方面可以帮忙寻找到一种高贵否则内政部平原。

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