英语词汇“first-aid classes”的翻译、意思、用法、释义-英汉汉英词典

单词	first-aid classes
释义	first-aid classes/ˌfɜːstˈeɪd ˈklɑːsɪz/npl.急救课程详细释义源自:《新世纪英汉大词典》Collins外研社 npl急救课程
随便看	nitrogen content nitrogen conversion facotr nitrogen conversion factor nitrogen cushion nitrogen cycle nitrogen deposition nitrogen depth profile nitrogen determination nitrogen dioxide nitrogen dioxide gas nitrogen dioxide gas injury nitrogen dioxide liquid nitrogen dioxide， nitrogen peroxide nitrogen distribution nitrogen efficiency nitrogen enhanced nbti nitrogeneous matter nitrogen equilibrium nitrogen equivalent nitrogen excretion nitrogen family nitrogen fertilizer nitrogen filled lamp nitrogen filled protection nitrogen fixation