Last week the issue was some leather cured with a known teratogenic substance, synthetic Nirret or something just as illegal that's still used in third world tanning.
上礼拜的问题是，部分皮革硫化时使用了致畸物质，某种非法但仍在第三世界用来硝制皮革的合成物质。
The fatliquor has good stability in acid, alkali, salt and hard water, high content of active substance, and strong combining force with leather.
该加脂剂在酸、碱、盐、硬水中稳定性良好，活性物含量高，与皮革纤维结合能力强。
Glair Substance which bonds gold leaf to leather.
蛋白粘合剂：把金叶粘稳于皮革上的物料。
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