Zhè / zhǒng / shēng / wù / fáng / zhì / fāng / fǎ / duì / bǎo / hù / nóng / tián / shēng / tài / huán / jìng / hěn / yǒu / bāng / zhù

这种生物防治方法对保护农田生态环境很有帮助。

This biological control method is helpful for protecting the farmland ecosystem.