叠加

In a sentence

• 多种颜色在这幅画中叠加，产生了奇妙的效果。

  Multiple colors overlay in this painting, creating a wonderful effect.

  In this sentence, 叠加 is used to describe the layering of different colors in a painting to achieve a specific artistic effect.

• 在复杂的物理实验中，我们经常需要叠加多个波的振幅。

  In complex physical experiments, we often need to superimpose the amplitudes of multiple waves.

  Here, 叠加 is applied to describe the superimposition process of wave amplitudes in physics experiments, emphasizing the mathematical or physical composition.

• 这些优惠券的使用不能叠加。

  These coupons cannot be stacked.

  In this example, 叠加 denotes the limitation on simultaneous use or stacking of multiple promotional offers or coupons, a typical usage in commerce and promotional contexts.