把粉末灑在土里，讓牛走過時把它們都踩進地里去。 Spread the powder over the earth and let the cattle trample it in as they walk over it.
色質干的著色物質，通常是一種可與水、油或其他固定劑混合的粉末，可制成漆和類似的產品 Dry coloring matter, usually an insoluble powder to be mixed with water, oil, or another base to produce paint and similar products.
攪動混合物而使粉末溶化。 Agitate the mixture to dissolve the powder.
