音标发音英式音标 [ˈdef ˌeɪd]美式音标 [ˈdef ˌeɪd]英式发音 美式发音 基本解释助听器。同根派生 deaf aid相关词英汉例句用作名词 (n.)A hearing aid helps to overcome defects in hearing.助听器有助于克服听觉缺陷。She adjusted the power on her hearing aid.她调了调助听器的电流量。deaf aid更多例句英英字典剑桥英英字典 a hearing aiddeaf aid剑桥字典deaf aid柯林斯字典