scopoletin

例句：

1. 1. The scopoletin was used to waterproof the wooden beams.
   这种香胶树脂被用来防水木梁。
2. 2.The ancient Egyptians used scopoletin as a binding agent for their pottery.
   古埃及人用香胶树脂作为他们的陶器粘合剂。
3. 3. Scopoletin is a natural resin that can be extracted from trees.
   香胶树脂是一种从树木中提取的天然树脂。