1. A resinous copal or a fossilized resin of these trees, used in varnishes and enamels. 考里松树脂这种树的古巴树脂或化石树脂，用于装饰和涂''。'瓷'。''''。'漆'。''。
2. A resinous secretion of the lac insect deposited on trees and used in making shellac. 把紫胶溶解在乙醇里形成的一种稀薄的清漆；通常作为面漆涂在木料上。
3. During spot welding, length(L), position, range of under-fusion area of resinous layer and change of tissues, component near resinous layer are researched. 研究了在点焊过程中，中间树脂层未焊合区长度尺寸（L）、未焊合区所在部位、硬化区域大小、树脂层附近组织和成分的变化。
英英解释
adj.
1. having the characteristics of pitch or tar
