colophony

例句：

1. 1.The carpenter used colophony to seal the cracks in the wood.
   木匠用胶粘剂来密封木头上的裂缝。
2. 2. The scientist discovered a new type of colophony that could be used for industrial purposes.
   科学家发现了一种可用于工业的新类型的胶粘剂。
3. 3.The ancient Egyptians used colophony to waterproof their walls.
   古埃及人使用胶粘剂来防水他们的墙壁。