overlay /ˈəʊvəˌleɪ/ ( overlaying, overlaid, overlays )

• 1. 

  V-T If something is overlaid with something else, it is covered by it. 覆盖 [usu passive]

  例：

  The floor was overlaid with rugs of oriental design.

  地板上覆盖着东方图案的地毯。

• 2. 

  V-T If something is overlaid with a feeling or quality, that feeling or quality is the most noticeable one, but there may be deeper and more important ones involved. 掩盖 [书面]

  例：

  The party had been overlaid with a certain nervousness.

  这个聚会已经被一种紧张情绪掩盖了。

  例：

  ...a surge of feeling which at this moment overlaid all others.

  ...此时掩盖了一切的一股强烈情感。