My invention is a large scale air purification system for developing countries like India and China.

我的发明是针对印度和中国等发展中国家的大型空气净化系统。

She recommends not only proper ventilation, including opening your windows at home, but also regular vacuum cleaning and air purification.

她不仅建议适当通风，包括打开家里的窗户，还建议定期吸尘和空气净化。

The goal was to test whether a variety of types of indoor plants could be used for air purification, both on Earth and in space.

该研究目标在于测试室内植物是否能够净化地球和太空中的空气。

I had gotten to this point in my observations when Ned and Conseil woke up almost simultaneously, under the influence of this reviving air purification.

我正在观察的时候，尼德·兰和康塞尔，在新鲜空气的刺激下，也差不多同时醒来了。