rosin spirit

例句：

1. 1.The artist uses rosin to create his oil paintings.
   这位艺术家使用树脂来创作他的油画。
2. 2. The rosin spirit is a popular ingredient in candles and perfumes.
   树脂是蜡烛和香水中常用的成分。
3. 3. The rosin spirit was used to preserve the ancient books.
   树脂被用来保存古老的书籍。