单词	獵犬聞味之號叫
释义	同CHALLENGE
随便看	relative peak separation relative peak sharpness relative peremability relative performance evaluation relative performance guarantee relative permeability relative permittivity relative phase change relative phase difference relative phase shift relative photometer relative photometry relative pitch relative pitch-shortening value relative placement relative plateau relative plateau slope relative plot relative pluviometric coefficient relative point relative pointing device relative--poisoning relative polarity relative pole relative polode