nán dù xì shù
- degree of difficulty
- coefficient of difficulty
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dithranol,
dithymoldiiodide,
dithyramb,
dithyrambic,
ditissimus,
dititanate,
ditokous,
ditolamide,
ditolyl,
ditophalo,
相似单词
难抵抗的,
难点,
难懂的,
难读地,
难度,
难度系数,
难断气,
难对付的,
难对付的人,
难对付地,