ptychoid

例句：

1. 1. 皮特西德
   Ptychoid
2. 2.皮特西德病毒
   Ptychoid virus
3. 3. 皮特西德细菌
   Ptychoid bacteria
4. 1. The ptychoid virus is responsible for a variety of diseases in humans.
   皮特西德病毒是人类多种疾病的原因。
5. 2. Ptychobacterium piscicola is a type of bacteria that can cause skin infections in fish.
   皮特西德杆菌是一种可以导致鱼类皮肤感染的细菌。
6. 3.Researchers have identified several ptychoid bacteria that can be used as biocontrol agents.
   研究人员已经识别出几种皮特西德细菌，可以作为生物控制剂使用。