frowst

名词不通气，闷气

不及物动词闷居室内

1. Or through high ridge in a field, covering terra, increasing the temperature of earth, increasing the thickness of dust and frowst in the day time can all be the methods of toting temperature.
    或者通过：起高垄、覆地膜，提高土温，增加热土层厚度，白天不通气或尽量少通气方法加温。