我那位充满活力的朋友在社交聚会上总是众人瞩目的焦点。

My ___vivacious friend is always the center of attention at social gatherings.

尽管她在工作中很安静，但谈论起自己的爱好时，她会变得异常活泼热情。

Despite her quiet demeanor at work, she becomes remarkably ___vivacious when discussing her passions.

派对期间，那个活泼孩子的笑声和活力充满了整个房间。

The ___vivacious child's laughter and energy filled the entire room during the party.