英语词汇safety helmet是什么意思，safety helmet的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	safety helmet
释义	DEFINITIVE EXAMPLES 权威例句To keep the safety helmet in position, fasten the strap beneath your chin.为把安全头盔固定好，把带子在你的下巴下系紧。剑桥国际
随便看	gnathic index Gnathiides gnathion gnathism gnathite gnathitis gnatho- gnathobase Gnathobdellae Gnathobdellida Gnathobdellidae Gnathobelodontinae gnathocephalon gnathocephalus gnathochilarium gnathocoxa Gnathodontidae gnathodynamics gnathodynamometer gnathodynia gnathography gnathology gnathoma gnathoneuralgia gnathonic

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