Kodomo no seichou wa hontou ni hayai desu ne.

Children's growth is really fast, isn't it?

Ryuugaku o tooshite, seishinteki ni ookiku seichou suru koto ga dekimashita.

Through studying abroad, I was able to grow a lot mentally.

Kono shokubutsu wa, mainichi mizu o ageru to hayaku seichou shimasu.

This plant grows quickly if you water it every day.

Sono kuni no keizai wa kinnen, kyuusoku ni seichou shite imasu.

The country's economy has been growing rapidly in recent years.

Kare no seichou shita sugata o mite, ryoushin wa totemo yorokobimashita.

Seeing how much he had grown, his parents were very happy.

Watashitachi no kaisha wa, atarashii gijutsu no okage de seichou o tsuzukete imasu.

Our company continues to grow thanks to new technology.