Pure Bright Festival; Tomb Sweeping Day; Qingming Festival
纯音听阈均值
pure tone average, PTA
暂无补充释义。
相关词条
Gold can't be pure and man can't be perfect.
Ultra-pure Water Purifiers
International Union of Pure and Applied Chemistry，IUPAC
radiochemically pure
clear and pure
chemically pure
catalogue memory (pure associative memory)