竞争者
Emulator \Em"u*la`tor\, n. [L. aemulator.] One who emulates, or strives to equal or surpass. As Virgil rivaled Homer, Milton was the emulator of both. --Bp. Warburton.
emulator n : someone who copies the words or behavior of another [syn: {copycat}, {imitator}, {ape}, {aper}]
emulator {Hardware} or {software} that performs {emulation}. (1995-05-12)