英语词汇positive signal怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	positive signal
释义	positive signal positivenessn. 肯定;确实确信,自信积极性;建设性 prepositionaladj. 前置词的；介词的 contrapositiveadj. 对照的 n. 对换句；质位变换命题 postconsonantaladj. 辅音后的
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