| 单词 | ectozoon |
| 释义 | ectozoon (extremely rare) n WORD FAMILY ectozoon n any external parasitic organism (as fleas) Syn|Hypo|Hyper ectoparasite, ectozoan, epizoan, epizoon flea any wingless bloodsucking parasitic insect noted for ability to leap Pulex irritansthe most common flea attacking humans Ctenocephalides canis, dog fleaflea that attacks dogs and cats Ctenocephalides felis, cat fleaflea that breeds chiefly on cats and dogs and rats Tunga penetrans, chigger, chigoe, chigoe fleasmall tropical flea; the fertile female burrows under the skin of the host including humans Echidnophaga gallinacea, sticktight, sticktight fleaparasitic 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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