英语词汇helmet mandatory怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	helmet mandatory
释义	helmet n — 盔 n • 安全帽 n • 头兜 n mandatory — 义务 mandatory adj — 强制性的 adj • 法定的 adj
随便看	adoption of the solution adoption of the texts adoption of the treaty adoption of the Universal Declaration adoption of the Universal Declaration adoption of this adoption of tools adoption of virtualization adoption opportunities adoption or amendment adoption parents adoption patterns adoption piece adoption placement adoption plan adoption procedure adoption process adoption rate adoption resolution adoption rights adoption roadmap adoption services adoption signs adoption simple adoptions of resolutions

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

helmet n —