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	quite as simple quite as straightforward quite a stir quite a strange quite a substantial amount quite a success quite a successful quite a task quite at home quite a time quite attached to quite attractive quite atypical quite a variety quite average quite a voice quite aware that quite a way quite a way off quite a while quite a while ago quite baffling quite basic quite bearable quite beautiful

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Optional Protocol noun—