音标发音英式音标 [ˈɡʌm.ʃiːld]美式音标 [ˈɡʌm.ʃiːld]英式发音 美式发音 基本解释n.护齿套同根派生 gumshield相关词英英字典剑桥英英字典 a device that boxers put inside their mouths in order to protect their teeth and gums during fightsgumshield剑桥字典gumshield柯林斯字典