1. The stuffy room made her lethargic.
    闷热不通风的房间使她昏昏欲睡。

2. Train compartments soon get cramped and stuffy.
    车箱里很快变得又拥挤又闷热。

3. Train compartments soon get cramped and stuffy.
    车厢很快就变得拥挤、闷热，