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同义词: oxygen atomic number 8
同义词: letter o
"people with type O blood are universal donors"
以上来源于: WordNet
N-VAR O is the fifteenth letter of the English alphabet. 英语字母表中的第15个字母
SYMBOL for oxygen 氧元素 [chem]
ABBREVIATION for offence 冒犯 [AUSTRALIAN] [slang]
INTERJ → a variant spelling of oh
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