| 单词 | 着色剂 |
| 释义 | 〔cochineal〕A red dye made of the dried and pulverized bodies of female cochineal insects. It is used as a biological stain and as an indicator in acid-base titrations.胭脂红：由雌胭脂虫虫体干燥并研成粉末制成的一种红色染料。用作生物着色剂和酸基滴定指示剂〔turmeric〕The powdered rhizome of this plant, used as a condiment and a yellow dye.姜黄粉：这种植物的根茎磨成的粉用作调味品和黄色着色剂〔pigment〕A substance used as coloring.颜料，涂料：用作着色剂的物质〔hematein〕A reddish-brown crystalline compound, C16H 12O 6, used as an indicator and a biological stain. 氧化苏木精：一种红褐色的晶体化合物，C16H 12O 6，用作指示剂及生物着色剂 〔realgar〕A soft orange-red arsenic ore, As2S 2, used in pyrotechnics and tanning and as a pigment. 雄黄，鸡冠石：一种质地柔软的桔红色含砷矿产，As2S 2，在烟火制造和皮革制造中被用作着色剂 〔turnsole〕Middle English turnesole [purple dye obtained from the plant] 中古英语 turnesole [从这种植物中提取的紫色着色剂] 〔stain〕A liquid substance applied especially to wood that penetrates the surface and imparts a rich color.着色剂：能够渗透表层并着深色的一种液体物质，尤用于木头上 |
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