huán jìng gōng chéng > huán bǎo lǜ huà
mùlù
yīngwénjièshì
  1. n.:  going green,  environment protection and greening
fēnlèixiángqíng
<span title=张>zhāng</span> <span title=开>kāi</span> huán jìng bǎo hù lǜ huà gōng chéng