| 单词 | epizoon | 
| 释义 | epizoon (once / 11819311 pages) n WORD FAMILY epizoon n any external parasitic organism (as fleas) Syn|Hypo|Hyper ectoparasite, ectozoan, ectozoon, epizoan flea any wingless bloodsucking parasitic insect noted for ability to leapPulex irritans the most common flea attacking humansCtenocephalides canis, dog flea flea that attacks dogs and catsCtenocephalides felis, cat flea flea that breeds chiefly on cats and dogs and ratsTunga penetrans, chigger, chigoe, chigoe flea small tropical flea; the fertile female burrows under the skin of the host including humansEchidnophaga gallinacea, sticktight, sticktight flea parasitic on especially the heads of chickens parasite an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host | 
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