音標發(fā)音英式音標 [?ɡ?m.?i?ld]美式音標 [?ɡ?m.?i?ld]英式發(fā)音 美式發(fā)音 基本解釋n.護齒套同根派生 gumshield相關詞英英字典劍橋英英字典 a device that boxers put inside their mouths in order to protect their teeth and gums during fightsgumshield劍橋字典gumshield柯林斯字典