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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	ordinal number ordinance Ordinance Powers ordinand ordinarily ordinariness ordinary ordinary shares ordinate ordination ordnance ordure ore oregano Oregon Oregon Trail, the org organ organdie organ donor organelle organ grinder organic organically organic chemistry

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