音标发音英式音标 [ˈsaɪ.kəl ˌhel.mət]美式音标 [ˈsaɪ.kəl ˌhel.mət]英式发音 美式发音 基本解释自行車頭盔。同根派生 cycle helmet相关词英英字典劍橋英英字典 a hard hat that you wear to protect your head if you have an accident while you are riding a bicyclecycle helmet剑桥字典cycle helmet柯林斯字典