英语词汇secondary signal system的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	secondary signal system
释义	secondary signal system 英?[?sek?nd?ri ?siɡn?l ?sist?m] 美?[?s?k?n?d?ri ?s?ɡn?l ?s?st?m] 释义第二信号系统
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英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。