那位激进分子因在社交媒体上煽动反政府情绪而被逮捕。

The ___agitator was arrested for inciting anti-government sentiments on social media.

这台洗衣机配有强力搅拌器，可以更彻底地清洁衣物。

This washing machine has a powerful ___agitator that cleans clothes more thoroughly.