evaporabilityfree legfugacityvapourizabilityvolatilevssvolatility挥发度,挥发性: volatility挥发性;挥发度: volatility挥发性;挥发度;易变: volatility半挥发性: semi-volatile不挥发性: fixedness; fixity involatile; non-volatility下载手机词典可随时随地查词查翻译