| 释义 | tet·ra·zine \ˈte.trəˌzēn, -_zə̇n\ noun
 (-s)
 Etymology: International Scientific Vocabulary tetraz- + -ine
 1.  : any of three isomeric parent compounds C2H2N4 that may be regarded as benzene with four methylidyne groups replaced by nitrogen atoms; especially  : the symmetrical or 1,2,4,5-isomer forming very volatile unstable purple-red crystals
 2.  : any of various derivatives of the tetrazines
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