单词：rickettsia
音标：[rik'etsiә] ；
n. 立克次氏体
[医] 立克次氏体
[医] 立克次氏体
n. 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
词型变化：名词复数形式 : rickettsias
rickettsia的用法和样例：
例句
用作名词(n.)
- 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。