英语词汇pearl stone是什么意思，pearl stone的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	pearl stone
释义	pearl stone　珍珠岩
随便看	response exchange response facilitation effect response factor response field response frame response frequency response function response header response impulse response lag response language response latency response level response limit response matrix response measurement response message response method response mode response paid response phase response position response pulse response ratio response region

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