coloring
英 美['kʌlərɪŋ]
	    - v. 着色(color的ing形式);出现颜色
 - n. 着色;着色剂;配色;天然色;外貌
 
英英释意
- 1. a digestible substance used to give color to food;
 - "food color made from vegetable dyes"
 
- 2. a visual attribute of things that results from the light they emit or transmit or reflect;
 - "a white color is made up of many different wavelengths of light"
 
- 3. the act or process of changing the color of something