anomaly

1. N-COUNT If something is an anomaly, it is different from what is usual or expected. 反常的事物[正式]

The space shuttle had stopped transmitting data, a very serious anomaly for the mission. 這架航天飛機已經(jīng)停止了傳輸數(shù)據(jù)，這是這次任務(wù)中一個十分嚴重的反?，F(xiàn)象。