单词	helmet
释义	helmethelmet /ˈhɛlmɪt/ ●●● W3 noun [countable] Etymology ETYMOLOGYhelmet Origin: 1400-1500 Old French helme helmet a hard hat that covers and protects your head → see also crash helmet, pith helmet
随便看	prostaglandin prostate prosthesis prosthetic prosthetics prostitute prostitution prostrate prostration prot- protagonist protean protease protect protected protection protectionism protectionist protection money protection racket protective protective custody protectively protectiveness protective services

英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。