树脂通常是透明的，或者是半透明的黄色到棕色物，能够熔化和燃烧。

Natural resins are usually transparent or translucent yellow to brown and can melt and burn.

youdao

树脂通常是透明的，或者是半透明的黄色到棕色物，能够熔化和燃烧。

Natural resins are usually transparent or translucent yellow to brown and can melt and burn.

youdao