| 单词 | 滑动摩擦 |
| 释义 | 〔rosin〕A translucent yellowish to dark brown resin derived from the stumps or sap of various pine trees and used to increase sliding friction, as on the bows of certain stringed instruments, and to manufacture a wide variety of products including varnishes, inks, linoleum, adhesives, and soldering compounds.松香，松脂：一种从各种松树的树桩或树液中提取的黄色至深棕色的半透明树脂，用来增加某些丝弦乐器的琴弓上的滑动摩擦力，也可用来制造涂料、油墨、亚麻油地毡、胶粘剂及焊接化合物等各种各样的产品 |
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