英语词汇第一等级是什么意思，第一等级的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	第一等级
释义	DEFINITIVE EXAMPLES 权威例句〔go〕I'd like this letter to go first class.我想让这封信用第一等级传送。麦克米伦高阶
随便看	patent-leather patent-leather patent-pool agreement patentability patentability patentability patentable patentable patentable patentable invention patented patented patented patented patented article patented invention patentee patentee patentee patentees patenting patenting patentizing patentizing furnace patently

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