acrospore

例句：

1. 1. The spores are enclosed in a protective acrospore.
   孢子被包裹在保护性的孢子囊中。
2. 2.The acrospore is a unique adaptation for the plant to survive in harsh environments.
   孢子囊是一种独特的适应，使植物能够在恶劣的环境中生存。
3. 3.The study of acrospores has led to new insights into the life cycle of certain species.
   对孢子囊的研究揭示了某些物种生命周期的新见解。