piciform pit pair

例句：

1. 1.The piciform pit pair is aunique feature of the plant's structure.
   这种piciform pit pair是植物结构的独特特征。
2. 2. The piciform pit pairplays an important role in the plant's growth and development.
   piciform pit pair在植物的生长和发育中起着重要的作用。
3. 3.The piciform pit pair has beenstudied extensively in recent years, revealing newinsights into plant physiology.
   近年来，对piciform pit pair的研究非常广泛，揭示了植物生理学的新见解。