We all know that clean air is impor

We all know that clean air is important to dood health.Wherever you do,you are always surrounded by asea of gases that we call air.If there are impurities in the air,they may be absorbed by our bodies and make us ill.We need clean air but unfortomately,air pollution is globally persent,especially in cities.

結果 (英文) 2:

我们都知道，清新的空气是重要的食品卫生。无论你做什么，你一直由海气体，我们称如果有空气。空气中的杂质，它们可能被我们的身体吸收，使人生病。我们需要清新的空气，但unfortomately，空气污染是全球范围内存在，特别是在城市的。