jīng / guò / jǐ / nián / péi / yù / zhè / piàn / yòu / lín / yǐ / jīng / zhǎng / de / hěn / mào / shèng / le

经过几年培育，这片幼林已经长得很茂盛了。

After several years of cultivation, this young forest has grown very lush.