Her speech showed great maturity and humanity.

　　她的演講顯示出十足的成熟和博愛。

　　The forest will take 100 years to reach maturity.

　　這片森林要花100年時(shí)間才能成材。

　　Some people refer to such modification as maturity.

　　有些人把這種變化稱為成熟。