coloring
- 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
考试真题
- It's in these populations that we begin to see real changes in the genetic makeup of natural coloring.
2019年6月六级真题（第一套）听力 Section C
- Not only the coloring genes but lots of other genes are getting mixed up, too.
2019年6月六级真题（第一套）听力 Section C
- What we did in our ancestry was to produce more permanent natural coloring in our skin cells.
2019年6月六级真题（第一套）听力 Section C