bark beetle

例句：

1. 1. The bark beetle is eating away at the tree's trunk.
   树皮甲虫正在啃食树干。
2. 2.Beetles are known for their ability to survive in harsh environments.
   甲虫因其在恶劣环境中生存的能力而闻名。
3. 3.The bark beetle was a major cause of the tree's death.
   树皮甲虫是导致这棵树死亡的主要原因。