Please open the window to ventilate the room.

请打开窗户透气。

Please open the window to let the air circulate.

请打开窗户，让空气流通。

Please open the window to let in some fresh air.

请打开窗口，让新鲜空气进来。

Please open the window, it's too stuffy in the room.

请你开窗户，房间里太闷了。

Please open the window so that the air can circulate.

请把窗户打开，以便空气流通。

Please open the window full open to let in fresh air.

请把窗户全开，让新鲜空气进来。

Please open the window and let some fresh air in.

请打开窗户，让新鲜空气进来。

There is a fug in here, please open the window.

这里空气闷浊，请把窗子打开。

It is like an oven in here; please open the window.

这里热得象火炉, 请把窗户打开.

Please open the window so that we can breathe fresh air.

请打开窗户以便我们能呼吸新鲜空气.