rosin pitch

例句：

1. 1.The painter used rosin pitch to smooth the surface of the canvas.
   画家使用松香粉来平滑画布的表面。
2. 2.The carpenter applied rosin pitch to the wood before staining it.
   木匠在染色之前将松香粉涂在木头上。
3. 3. The artist mixed rosin pitch with oil to create a unique texture on the sculpture.
   艺术家将松香粉与油混合，为雕塑创造出独特的纹理。