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O

noun
🔊/əʊ/
🔊/əʊ/
(also o)
(plural Os, O’s, o’s
🔊/əʊz/
🔊/əʊz/
)
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  1. [countable, uncountable] the 15th letter of the English alphabet英语字母表的第 15 个字母
    • ‘Orange’ begins with (an) O/‘O’.orange 一词以字母 o 开头。
  2. used to mean ‘zero’ when saying phone numbers, etc.（说电话号码等时表示）零
    • My number is six o double three (= 6033).我的号码是六零三三。🔊🔊
    3. see also O grade, O level

O

exclamation
🔊/əʊ/
🔊/əʊ/
(old use or literary)
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  1. an old spelling of oh
  2. used before a name when speaking to somebody in a prayer or poem（说电话号码等时表示）零
    • O Lord, save thy people.上帝啊，救救你的百姓。

O

symbol
🔊/əʊ/
🔊/əʊ/
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  1. the symbol for the chemical element oxygen（化学元素）氧