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单词
lac
释义
lac
Encyclopedia
农学
紫胶
释
lac
紫胶
紫胶虫(Laccifer lacca)吸取寄主树树液后分泌出的紫色天然树脂。又称紫梗、虫胶、赤胶、紫草茸。
理学
虫胶
释
lac
虫胶
紫胶虫分泌的一种天然琥珀色树脂物质。以紫胶树脂为主要成分,混合着紫胶色素、紫胶蜡、糖类、蛋白质、盐类(或其他掺杂物)等物质。原名紫胶。
Biology
lac
紫胶;虫胶
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book printing in Sichuan
book printing in the Jurchen Jin Dynasty
book production-sale form
book publishing in Sibao
book purchase
book purchase and selling
Book Quality Guarantee System
book recommendation
book rental industry in ancient China
book retail
book return rate
book review
book reviewer
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book sales cycle
book sales exhibition
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books and disks
books and periodicals design for surface finishing
books buying and selling
books editing
Bookseller
Booksellers Association
books from the collection of the Caotang Academy
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