Big Words (147)：本来无一物，何处惹"尘埃"

mote→非常小的尘埃，想想电影中静谧的光影画面，

mote on note或者mote⇔most，最细小的尘埃与最大的事物，

一粒灰尘可以表达为a mote of dust 或者a dust mote

dust→dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces of soil, sand, or other substances.

灰尘；尘土；沙土

ash→the soft grey or black powder that is left after a substance, especially tobacco, coal, or wood, has burned.

（尤指烟草、煤、木头燃烧后的）灰，灰烬