无污染城市
Pollution-free city
以上为机器翻译结果，长、整句建议使用 人工翻译 。
过去这是一个美丽无污染的城市。
It was once a beautiful city free from pollution.
youdao
一个纯净而无污染、充满生命力的城市，这就是海口印象，得天独厚而又充满个性魅力。
One pure and pollution-free city, full of vigor and vitality, richly endowed by nature and full of individualized character glamour. This is the impression of Haikou.
许多大城市都无污染。
Many large cities are anything but pollution-free.
应用推荐
模块上移
模块下移
不移动