browning
/ˈbraʊnɪŋ/ 12a substance used to darken soups, gravies, etc 棕色着色剂
noun [专属名词]棕色着色剂；着褐色
The grass was browning in patches.
草地一片片地变成褐色。
verb [vt. 及物动词]呈褐色；把……烤焦（brown 的 ing 形式）
During the senescence of Xue Hua Pears, the fruit firmness declined with the flesh developing the squarrose and browning.
雪梨衰老时，硬度下降，果肉褐变糠化。
单词造句: