| 单词 | ultramicroscopic | 
| 释义 | Word Frequency ultramicroscopic(ˌʌltrəˌmaɪkrəˈskɒpɪk) adjective 1.  too small to be seen with an optical microscope  2.  of or relating to an ultramicroscope  Derived formsultramicroscopy (ˌʌltrəmaɪˈkrɒskəpɪ) noun | 
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