请经常开窗户，通风换气 英语怎么说

1.Always open the window, ventilation
2.Please open a window, ensure good room ventilation.
3.If it is very windy or heavy fog, do not open the window ...
4.If the weather is cold, they opened a window, if it is a sunny day can be 2 to 3 the window open ...
5.If you haven't until lunch time, but I have been very hungry, because late in the morning, before breakfast.

1、Always open the window, ventilation；

2、Please open the windows to keep the air circulation inside the house.
3、If it is windy or foggy weather, do not open the window。
4、If the weather is cold, you open a window, if it is sunny open 2-3 windows.
5、Although not to the lunch time, I have been hungry, because the late morning, and did not have time to eat breakfast.
希望对您有所帮助！