英语词汇23. optional protocol怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	23. optional protocol
释义	Optional Protocol noun— 议定书 n () See also: optional — 任择 adj • 可选的 adj • 选配 adj • 选购 adj • 自选 protocol n — 协定 n • 规程 n • 礼宾 n option n — 方案 n • 选择 n • 可选择的事物 n • 选择权 n • 选修课 n • 购买权 n option — 选择 • 期权
随便看	learn from peers learn from results learn from scratch learn from that learn from the ancients learn from the best learn from the experts learn from their experience learn from their mistakes learn from their peers learn from the letter learn from the Masters learn from the past learn from the press learn from what learn from your mistakes learn function learn German learn good learn grammar learn hard learn how to achieve learn how to get started learn how to paint learn how to use

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Optional Protocol noun—