| 单词 | pit viper |
| 释义 | pit viper (once / 513884 pages) n WORD FAMILY pit viper: pit vipers USAGE EXAMPLESPit vipers find their prey and places to hide by sensing heat. Washington Times(Mar 27, 2016) Instead, Vogel suspects that the expedition team collected mostly roadkill specimens because the newfound pit viper is nocturnal, as are other pit vipers. National Geographic(Jan 21, 2016) C. greening’s venom is twice as potent as that of the deadly pit viper, the researchers report online today in Current Biology. Science Magazine(Aug 06, 2015) n New World vipers with hollow fangs and a heat-sensitive pit on each side of the head Hypo|Hyper Agkistrodon contortrix, copperhead common 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 Crotalus adamanteus, diamondback, diamondback rattlesnakelarge deadly rattlesnake with diamond-shaped markings Crotalus horridus horridus, banded rattlesnake, timber rattlesnakewidely distributed in rugged ground of eastern United States Crotalus viridis, Western rattlesnake, prairie rattler, prairie rattlesnakewidely distributed between the Mississippi and the Rockies Crotalus cerastes, horned rattlesnake, sidewindersmall pale-colored desert rattlesnake of southwestern United States; body moves in an s-shaped curve Crotalus atrox, Western diamondback, Western diamondback rattlesnakelargest and most dangerous North American snake; of southwestern United States and Mexico Crotalus lepidus, rock rattlesnakemountain rock dweller of Mexico and most southern parts of United States southwest Crotalus tigris, tiger rattlesnakehaving irregularly cross-banded back; of arid foothills and canyons of southern Arizona and Mexico Crotalus scutulatus, Mojave rattlesnakeextremely dangerous; most common in areas of scattered scrubby growth; from Mojave Desert to western Texas and into Mexico Crotalus mitchellii, speckled rattlesnakemarkings vary but usually harmonize with background; of southwestern Arizona and Baja California Sistrurus catenatus, massasauga, massasauga rattlerpygmy rattlesnake found in moist areas from the Great Lakes to Mexico; feeds on mice and small amphibians Sistrurus miliaris, ground rattler, massasaugasmall pygmy rattlesnake viper venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw |
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