irregularity

剑桥词典

irregularity noun (SHAPE)

[ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ]
the quality of not being regular in shape or form , or an example of this
不规则；不整齐
The pictures showed cracks and other irregularities in otherwise perfectly regular crystals . 这些图片表明：除了一些裂缝及凹凸不平之处，这些等轴晶系晶体无可挑剔。
The west of the island is famous for the irregularity of its coastline . 岛的西部因其曲折的海岸线而著名。

irregularity noun (RULE)

[ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ]
something that is not correct or acceptable
违规；不合常规
The inspectors found several irregularities in the business accounts . 检查人员在业务账目中发现了几处违规。
The irregularity of (= the lack of rules for) English spelling means that it is easy to make mistakes . 英语拼写没有规律可循意味着很容易拼错。

irregularity noun (TIME/SPACE)

[ 不可数或单数名词：没有复数形式的名词 ]
the fact that something does not happen at regular times
不定期；无规律 返回 irregularity