| 释义 |
〔off〕Not up to standard; below a normal or satisfactory level:没有达到标准的;在正常或合格水平之下的:〔cetane〕A colorless liquid, C16H 34, used as a solvent and in standardized hydrocarbons. 十六烷,鲸蜡烷:一种无色液体,C16H 34,作为一种溶剂和使碳氢化合物达到标准 〔substandard〕Failing to meet a standard; below standard.未达到标准的;标准以下的 |