单词	知足者貧亦樂
释义	同CONTENTMENT
随便看	angle of reflection angle of reflection, angle of--reflection angle of refraction angle of refraction-- refracted angle angle of refraction; refracted angle angle of release angle of relief angle of repose angle of rest angle of retard angle of rise angle of roll angle of rotation angle of rotor angle of rudder deflection angle of ruling angle of run angle of rupture angle of safety angle of satety angle of scattering angle of scatterring angle of scraper angle of separation