copal

例句：

1. 1. The ancient Egyptians used copal to make their finest pottery.
   古埃及人用香胶制作他们最精美的陶器。
2. 2. Copal is a natural resin that can be used as an insect repellent.
   香胶是一种天然树脂，可以用作驱虫剂。
3. 3. The ancient Egyptians also used copal to create intricate carvings on their temple walls.
   古埃及人还使用香胶在寺庙的墙壁上雕刻复杂的图案。