这幅画展示了花朵在完全成熟时的美丽姿态。

The painting shows the flowers in their ___fully-developed beauty.

这个应用程序已经是一个功能完善的成品，具备所有用户需要的特性。

This app is a ___fully-developed product with all the features users need.

经过五年的职场历练，他已经成长为一名成熟的经理人。

After five years in the workforce, he has become a ___fully developed manager.