zhè / piàn / cì / shēng / lín / jīng / guò / duō / nián / huī / fù / yǐ / jīng / xī / yǐn / le / xǔ / duō / niǎo / lèi这片次生林经过多年恢复,已经吸引了许多鸟类。After years of recovery, this secondary forest has attracted many birds.