... sympathetic coloration 交感色 protective coloration 保护染色 threatening coloration 威吓色 ...
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Both browning AND protective coloration of the balsam pear juice were in some detail looked into ,then we ascertained zinc gluconate AND calcium hydroxide for color fixative and effectively kept balsam pear raw material proper green.
实验对苦瓜汁的褐变和护色稳定性等关键因素进行了较详细地研究和探讨，确定葡萄酸锌和氢氧化钙为护色剂，有效地保持了苦瓜原料特有的绿色。
参考来源 - 苦瓜汁饮料及其相关性因素的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N the coloration of an animal that enables it to blend with its surroundings and therefore escape the attention of predators 保护色
Protective coloration in an animal or insect, characterized by darker coloring of areas exposed to light and lighter coloring of areas that are normally shaded.
反荫蔽动物或昆虫的保护颜色，特点是在浅色的地方呈现深色，在通常有荫蔽的地方呈浅色。
Protective behaviors of amphibians include hiding in the presence of danger and having coloration so closely matching the environment that the animal is not obvious.
两栖类动物的避险行为包括遇敌十躲藏，变化体色与环境相近，于是就不太显眼了。
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