英语词汇“Primary era”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Primary era
释义	Primary era 古生代
随便看	subchrons subchunk sub-chunk sub-chunks subcidiary transport subcinctoria subcinctorium subcineritious subcingle subcingulum subcircle subcircles subcircuit sub circuit sub-circuit subcircuit extraction sub-circuit impedance subcircuit isomorphic subcircuit modeling subcircuits sub-circuits subcircuit template subcircular sub-circular subcircular lobe