相反地，星系中心最显著的特征是围绕核心的命令节点环。

Instead, the most striking feature of the galaxy's centre is the ring of bright knots surrounding the nucleus.

youdao

相反地，星系中心最显著的特征是围绕核心的命令节点环。

Instead, the most striking feature of the galaxy's centre is the ring of bright knots surrounding the nucleus.

youdao