vigorous

这位老人精神矍铄。

This elderly man is ___vigorous.

她每天早晨都会做一套充满活力的运动。

She does a ___vigorous exercise routine every morning.

他每天早上进行30分钟的剧烈慢跑来保持精力充沛。

He does 30 minutes of ___vigorous jogging every morning to stay energetic.