| 单词 | rickettsia |
| 释义 | rickettsia (once / 319441 pages) n WORD FAMILY rickettsia: rickettsiae, rickettsial, rickettsias USAGE EXAMPLESRocky Mountain spotted fever is a tickborne disease caused by Rickettsia rickettsia, according to the Centers for Disease Control and Prevention. US News(Aug 14, 2015) Rocky Mountain spotted fever is caused by Rickettsia rickettsii bacteria and spread through the bite of an infected tick. US News(Jun 19, 2015) Rickettsia is an infectious bacteria spread by ticks, chiggers, fleas and lice. Washington Times(Jun 12, 2015) 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 Hyper eubacteria, eubacterium, true bacteria a large group of bacteria having rigid cell walls; motile types have flagella |
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