英文釋義
any of various solid or semisolid amorphous fusible flammable natural organic substances that are usually transparent or translucent and yellowish to brown, are formed especially in plant secretions, are soluble in organic solvents (such as ether) but not in water, are electrical nonconductors, and are used chiefly in varnishes, printing inks, plastics, and sizes and in medicine
例句 Example
The resin from which the oil is extracted comes from a small, tough tree.
用於提取這種油的樹脂取自於一種矮小堅韌的樹。