subgum

例句：

1. 1.The subgum from the tree is used to make paper.
   从树上提取的树胶用于制作纸张。
2. 2.The resin from the pine trees is used in the production of varnish.
   松树树脂用于生产清漆。
3. 3. Gum arabic is commonly used as a thickening agent in food products.
   阿拉伯胶通常用作食品产品的增稠剂。