natural resins

同根派生

Gum rosin is a kind of natural resin with high economic value.
松香是一种具有重大经济价值的天然树脂。
Natural resins are rosin and shellac. Synthetic resins are organic compounds which have been chemically nodified ([polymerised].
天然的树脂是松香和虫胶。人造树脂是把有机化合物用化学方法改变（聚合化）而成。
Preferred natural resins include saccharides (especially starch, xanthan, guar) and proteins (especially casein and whey).
首选天然树脂包括糖（特别是淀粉，黄原胶，瓜尔豆）和蛋白质（特别是酪蛋白和乳清）。
Class 2 Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood; colorants; mordants; raw natural resins; metals in foil and powder form for painters, decorators, printers and artists.
商标注册类别2颜料、清漆、漆;防锈剂和木材防腐剂;着色剂;媒染剂;未加工的天然树脂;画家、装饰家、印刷商和艺术家用金属箔及金属粉。
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood; colorants; mordants; raw natural resins; metals in foil and powder form for painters, decorators, printers and artists.
颜料、清漆、漆;防锈剂和木材防腐剂;着色剂;媒染剂;未加工的天然树脂;画家、装饰家、印刷商和艺术家用金属箔及金属粉。