exospore

例句：

1. 1.The fungus produces spores that can survive in the environment for a long time.
   这种真菌产生可以在环境中存活很长时间的孢子。
2. 2. The study of microbial ecology is important because it helps us understand how different species interact with each other.
   微生物生态学的研究很重要，因为它帮助我们理解不同物种是如何相互影响的。
3. 3. The exospores of this fungus are resistant to extreme temperatures and can survive in harsh environments.
   这种真菌的外孢子对极端温度具有抵抗力，可以在恶劣的环境中生存。