词汇	help instead of relief
释义	help instead of relief 以助代赈
随便看	approximate weight approximating approximating arc approximating common fixed points approximating conditional mode approximating first and second integral approximation algorithm approximation algo-rithm approximation al-gorithm approximation algorithms approximational speed approximation analysis Approximation Approach approximation by defect approximation by elliptic functional approximation by excess approximation by interpolation approximation by least square approximation by least squares approximation by operator approximation by operators approximation by polynomial approximation by power formula approximation by rational function approximation by rational functions