英语词汇“primary secondary system”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	primary secondary system
释义	primary secondary system 英?[?praim?ri ?sek?nd?ri ?sist?m] 美?[?pra??m?ri ?s?k?n?d?ri ?s?st?m] 释义一次及二次系统
随便看	Bettinus Betti part betti-rayleigh reciprocal theorem betti reaction Betti reciprocal theorem Bettis Bettisfield betti's law Betti's method Bettison Betti theorem Betti Bettlach May disease Bettlach May's disease bettle Bett lead-refining bett lead refining bett leadrefining bett lead-refining process bettleheim Bettles bettl reaction Bettman Bettmann Bettmann's test

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