| 释义 |
[/ˈrezɪn; US ˈrezn; ˋrɛzn/] n [C, U] 用法:
1 sticky substance that oozes esp from fir and pine trees and is used in making varnish, medicine, etc 树脂（尤指冷杉树脂和松脂）. 用法:
2 similar substance made synthetically, used as a plastic or in making plastics 合成树脂. |