smudging

It is always preferable to work from top to bottom to avoid unwanted smudging.

最好是从上到下进行，避免不小心弄花了。

The burning of sage, or smudging, takes place in large ceremonies.

鼠尾草燃烧仪式，或曰烟熏仪式，是在大型仪式中举办的。