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

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单词	rock bottom
释义	UKUS
随便看	nickel-carbon thermocouple nickel-chrome steel nickel-chromium steel nickel-clad nickel-cobalt alloy (electro)plating nickel-free nickel-iron nickel-iron accumulator nickel-iron wire nickel-oxide film diode nickel-phosphorus alloy(electro) plating nickel-plate nickel-plated nickelage nickelate nickelclad nickeled-and-dimed nickeled-and-dimed Nickelex nickelferrite nickelic nickelic acetate nickelic hydroxide nickelic oxide nickelic sulfide