anomaly
/əˈnɒməlɪ/noun
(pl. -ies)
1
- something that deviates from what is standard, normal, or expected非常规事物, 异常（或反常）事物：
there are a number of anomalies in the present system
现行制度有许多异常现象
with clause the apparent anomaly that those who produced the wealth were the poorest制造财富的人是最贫穷的这一明显不正常现象
mass noun the position abounds in anomaly.这一立场充满反常现象。
2
- Astronomy the angular distance of a planet or satellite from its last perihelion or perigee【天文】近点角; 近点距离。
词源
late 16th cent.: via Latin from Greek anōmalia, from anōmalos （see ANOMALOUS）.