包囊的例句（包囊在句子中的用法）

• Cysts should be excised and sterilized to avoid ingestion by the definitive host. 应该切除包囊并予以销毁,以防止被最终宿主食入.
• Metacercariae may endure in the encysted state for several months. 活囊蚴可以在包囊状态中生活几个月.
• Suppression of encapsulation is by reducing blood cells responsible for encapsulation. 通过减少负责包囊作用的血细胞而使包囊作用受到抑制.
• An amoeba forms a cyst when conditions are unfavourable. 当环境不利时,变形虫产生包囊.