unsung hero片语KK [ənˋsʌŋ ˋhɪro] /ənˈsʌŋ ˈhɪɹoʊ/发音片语1无名英雄、幕后功臣The night nurses are the unsung heroes of this hospital.夜班护理师是这家医院的无名英雄。2功臣、大功臣用于事物Baking soda is the unsung hero of my kitchen cupboard.小苏打是我厨房柜子里最不起眼的大功臣。用这个字练口说→