Glue: Adhesive substance resembling gelatin, extracted from animal tissue, particularly hides and bones, or from fish, casein (milk protein), or vegetables.

动物胶：从动物或鱼的皮、骨、酪蛋白中提炼出来的明胶状黏结剂。

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An exceptionally clear adhesive can be made from fish and was the first adhesive used for photographic emulsions for photo film and photo resist coatings for photoengraving processes.

从鱼身上可以提取制成极其透明的粘胶，在胶片的感光乳胶和光刻蚀工艺的光阻涂层中首先被用作粘合剂。

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