coloring matter的用法和樣例：
例句
用作名詞 (n.)
- For that reason, anyone being offered what appears to be high-quality coral cheaply would do well to view the matter with a certain degree of scepsis.
另外，染色珊瑚的顏色表裡不一，染料集中在小裂隙及粒間，顏色外深內淺，不均勻。 - It is necessary to gurantee defenite concentration of sodium hydroxide and sodium hydrosulfite for enhancing coloring quality in colorating.
用還原染料靛藍染色時，為提高染色質量，需保證一定的火鹼濃度和保險粉濃度。 - The coloring of food is against the law in some countries.
給食物加上色素在有些國家屬違法行為。 - Our drinks are free from all artificial coloring and flavoring.
我們的飲料不含任何人工色素和調味劑。
