noun 下载 🔗分享 树脂,松脂。 A viscous hydrocarbon secretion of many plants, particularly coniferous trees. Examples : "The pine trees in the forest oozed sticky resins down their trunks. " 森林里的松树往树干上流出黏糊糊的松脂。 material substance plant chemistry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 树脂 Any of various yellowish viscous liquids or soft solids of plant origin; used in lacquers, varnishes and many other applications; chemically they are mostly hydrocarbons, often polycyclic. Examples : "The artist used resins to make the wooden table shiny and protect it from scratches. " 这位艺术家用树脂使木桌变得有光泽,并且保护它免受刮擦。 material substance chemistry plant compound 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 树脂,合成树脂。 Any synthetic compound of similar properties. Examples : "Many plastic toys are made from different types of resins to give them various colors and textures. " 许多塑料玩具是用不同种类的合成树脂制成的,这样能使它们拥有各种颜色和质地。 compound material chemistry substance 与AI对话词汇游戏阅读练习