在这个热带地区下雪确实是个异常现象。

Snowfall in this tropical area is truly an ___anomaly.

天气预报模型发现了一个异常，需要进一步检查数据。

The weather forecast model detected an ___anomaly that requires further data inspection.

在全是右撇子的班级里，她是唯一的左撇子，显得格外特别。

Being the only left-handed student in a class of right-handers, she was clearly an ___anomaly.