安娜充满活力的个性使她成为一个天生的外向者。

Anna's vibrant personality makes her a natural ___extrovert.

与他安静的兄弟不同，杰克是一个真正的外向者，在聚会上如鱼得水。

Unlike his quiet brother, Jack is a true ___extrovert who thrives at parties.

销售团队需要一个能轻松与客户建立联系的外向者。

The sales team needs an ___extrovert who can easily connect with clients.