A small flare rises from the active area on the left.

在左侧的活动区域中跳起一个小耀斑。

The active area on the right churns with magnetic loops.

右侧活动区域被磁环搅乱。

Attempts to explain it are an active area of research today.

试图解释它是今天研究的一个活跃领域。

The study of symmetric graphs is an active area in graph theory.

图的对称性研究是图论的重要课题。

The New Madrid Fault remains a seismically active area and experts expect a repeat.

新马德里断层仍然是一个地震活跃地区，专家预计一重复。