| 单词 | ultramicro | 
| 释义 | ultramicroadjective  ul·tra·mi·cro  ˌəl-trə-ˈmī-(ˌ)krō    : being or dealing with something smaller than micro   ultramicro adjectiveas in subminimal Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
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