rickettsia

英 [rɪ'ketsɪə] 美 [rɪ'ketsɪə]

• n. 立克次氏体（发疹伤寒等的病原体）

英英释义

Noun:

1. any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings

例句

用作名词 (n.)

1. It is caused by Rickettsia rickettsii and spread by ticks of the genus Dermacentor.
   该病由立克次氏体引起，由革蜱属的蜱类传播。