nán dù xì shù
- degree of difficulty
- coefficient of difficulty
用户正在搜索
opp.,
oppanol,
Oppenheim,
Oppenheimer,
oppidan,
oppilate,
opponency,
opponens,
opponensplasty,
opponent,
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,