viper

n.

蝰蛇；毒蛇；阴险恶毒的人；奸诈者

复数：vipers

pit viper响尾蛇；蝮蛇

1. He unwarily tread upon a viper asleep just before his feet.
   他不小心踩到正睡在他脚前的蛇上。
2. Be careful of that viper; he is dangerous.
   小心那个阴险的人，他很危险。

ViPER:augmenting automatic information extraction with visual perceptions
Viper: A Multiprocessor SOC for Advanced Set-Top Box and Digital TV Systems
Ecology and conservation of the Milos viper, Macrovipera schweizeri (Werner, 1935)
Factor X activating enzyme from Russell's viper venom: isolation and characterization.
Disintegrins: a family of integrin inhibitory proteins from viper venoms.
Lausen, G.: ViPER: augmenting automatic information extraction with visual perceptions. In: CIKM 2005, pp. 381-388. ACM, New York
Activation of human factor X (Stuart factor) by a protease from Russell's viper venom.
Echistatin. A potent platelet aggregation inhibitor from the venom of the viper, Echis carinatus
REPRODUCTION IN A TYPICAL CAPITAL BREEDER: COSTS, CURRENCIES, AND COMPLICATIONS IN THE ASPIC VIPER
Substitution Bias, Weighting of DNA Sequence Evolution, and the Phylogenetic Position of Fea's Viper