myrrh

例句：

1. 1. The ancient Egyptians used myrrh to preserve their dead.
   古埃及人用香胶来保存他们的死者。
2. 2. The myrrh tree is a rare and valuable species.
   香胶树是一种稀有而珍贵的物种。
3. 3. Myrrh is often used in traditional medicine to treat respiratory issues.
   香胶常用于传统医学中，治疗呼吸道问题。