zenol

例句：

1. 1. The ancient Chinese used zenol to make paper and ink.
   古代中国人用香胶制作纸张和墨水。
2. 2. The zenol was extracted from the tree's bark.
   香胶是从树皮中提取的。
3. 3. The zenol was used as a binding agent in books.
   香胶用作书籍的粘合剂。