any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules
resin的用法和样例:
例句
用作名词 (n.)
Amber is the resin of pine trees that grew very very long ago. 琥珀是古老的松脂。
They are made of a common plastic resin. 它们是用一种普通的塑胶合成树脂做成的。
From three o'clock onward they would be burning resin. 从3点钟以后,它们就燃烧着松香。
This shelf was made of synthetic resin. 这个架子是合成树脂做的。