phacellae

例句：

1. 1.The phacellae are a type of bacteria that can cause infections in humans.
   phacellae是一种细菌，可以引起人类感染。
2. 2.Researchers have been studying the phacellae for their potential use in treating cancer.
   研究人员一直在研究phacellae的潜在用途，以治疗癌症。
3. 3. The phacellae are responsible for producing enzymes that break down complex molecules.
   phacellae负责产生酶，这些酶能够分解复杂的分子。