vapours

His brain was clouded by vapours and dreams.

他脑子里充满想和梦幻。

Clouds are formations of condensed water vapour.

云是由凝聚水构成。

According to the engineering thermodynamic theory,the inflating work and ebulliency work exerted by the materials composed of liquid,vapour and gas during the adiabatic process are calculated.

运用工程热力学理论计算组成物料体、体、液体于绝热过程中对外所作膨胀功、爆沸功。