tā / nián / qīng / shí / jī / jí / cān / yù / huán / bǎo / xíng / dòng / zhǔ / yì / wèi / bǎo / hù / dāng / dì / hé / liú / zuò / chū / le / hěn / duō / gòng / xiàn

他年轻时积极参与环保行动主义，为保护当地河流做出了很多贡献。

When he was young, he actively participated in environmental activism and made many contributions to protecting local rivers.