英语词汇optional hyphen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

1
For example, a U.S. ZIP code is five digits plus an optional "plus 4" qualifier composed of a hyphen and four additional digits.
例如，美国的邮政编码是五位数字加上可选的“4个”限定号码，后者由连字符和四位附加数字组成。
2
It contains the locale folders, which are lower cased, and a hyphen separates the language code from the optional country code.
它包含locale文件夹，使用小写格式，并用连字符分隔语言代码和可选的国家代码。

单词	optional hyphen
释义	optional hyphen 简明释义可选连字符双语例句 1 For example, a U.S. ZIP code is five digits plus an optional "plus 4" qualifier composed of a hyphen and four additional digits. 例如，美国的邮政编码是五位数字加上可选的“4个”限定号码，后者由连字符和四位附加数字组成。 2 It contains the locale folders, which are lower cased, and a hyphen separates the language code from the optional country code. 它包含locale文件夹，使用小写格式，并用连字符分隔语言代码和可选的国家代码。
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