at one's fingertips短语¹⁴⁴⁹⁷²⁺² 基本Thesaurus 尤指信息近在手边的;唾手可得的 as in.on tap 同义词accessible,at hand,available,convenient,handy,on deck,ready,ready to be drawn on tapadjective ready to be used accessible,at hand,available,convenient,handy,on deck,ready,ready to be drawn