A resinous secretion of the lac insect deposited on trees and used in making shellac.

紫胶，虫胶由紫胶虫分泌的沉积于树上的树脂分泌物，用于制造虫胶清漆。

youdao

Butea gum is also called shellac, insect lac, etc.

前言： “紫铆”又名紫矿，还有紫梗、 紫草茸、 虫胶等名。

youdao

Butea gum is also called shellac, insect lac, etc.

前言： “紫铆”又名紫矿，还有紫梗、 紫草茸、 虫胶等名。

youdao