| 单词 | viper |
| 释义 | viper (once / 2703 pages) n A viper is a certain type of poisonous snake. The most common vipers in the United States are rattlesnakes and water moccasins. Vipers are found in most places on earth, although some of the most famous poisonous snakes in the world, for example the cobra, are not vipers. Although viper is a scientific name for a particular family of snakes who poison others by biting them with hollow fangs that inject venom, it is often used generally to describe a spiteful, disloyal or back-stabbing person. WORD FAMILYviper: vipers USAGE EXAMPLESThe transition team itself, which is literally shaping and staffing our next national government, is a viper’s nest of pay-to-play corporate interests. Salon(Dec 25, 2016) Among the six rare and endangered snake species represented in the group are Armenian vipers, black-tailed horn vipers and several types of rattlesnakes. Los Angeles Times(Dec 20, 2016) A Mississippi man who keeps venomous vipers in his home is recovering after being bitten by one of his pets. Washington Times(Nov 11, 2016) n venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw Hypo|Hyper Vipera berus, adder, common viper small terrestrial viper common in northern Eurasia Vipera aspis, asp, asp viperof southern Europe; similar to but smaller than the adder Bitis arietans, puff adderlarge African viper that inflates its body when alarmed Bitis gabonica, gaboon viperlarge heavy-bodied brilliantly marked and extremely venomous west African viper Cerastes cornutus, cerastes, horned asp, horned viper, sand viperhighly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye pit viperNew World vipers with hollow fangs and a heat-sensitive pit on each side of the head Agkistrodon contortrix, copperheadcommon coppery brown pit viper of upland eastern United States Agkistrodon piscivorus, cottonmouth, cottonmouth moccasin, water moccasinvenomous semiaquatic snake of swamps in southern United States rattler, rattlesnakepit viper with horny segments at the end of the tail that rattle when shaken Bothrops atrops, fer-de-lancelarge extremely venomous pit viper of Central America and South America ophidian, serpent, snake limbless scaly elongate reptile; some are venomous |
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