afforestation of city的用法和樣例：
例句
- The soil seed bank of urban green land contains some potential populations, some plants can be used for city afforestation.
城市綠地土壤種子庫中蘊藏著(zhù)一些潛在種群，有些植物種可以用于城市綠化建設。 - Be going to treasure flowers and plants trees , not to destroy urban afforestation , participate in and the activity afforesting tree planting actively.
要愛(ài)護花草樹(shù)木，不破壞城市綠化，并且積極參加綠化植樹(shù)活動(dòng)。
