| 释义 | 
		Noun: pi (pies)  pI- The ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846... 
 - The 16th letter of the Greek alphabet
  Noun: PI- An antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs
  - protease inhibitor  - Someone who can be employed as a detective to collect information
  - private detective, private eye, private investigator, operative, shamus, sherlock  - The scientist in charge of an experiment or research project
  - principal investigator 
 Sounds like: pie Derived forms: pies, PIs Type of: alphabetic character, antiviral, antiviral agent, antiviral drug, detective, letter, letter of the alphabet, scientist, transcendental number Part of: drug cocktail, Greek alphabet, HAART, highly active antiretroviral therapy Encyclopedia: PI  Pi |