NB 的释义 | Babel Free
ni̯oʊ̯³⁵ pi⁵⁵释义
牛屄 (niúbī) 之首字母縮略詞
form-of
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
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