Word: 气体 (qìtǐ) Traditional: 氣體 气体 dictionary entry qìtǐ gas (i.e. gaseous substance) Full dictionary entry for 气体 Example sentences using 气体 3 sentences, showing page 1 of 1. 干冰会直接升华成气体。 Gānbīng huì zhíjiē shēnghuá chéng qìtǐ. Dry ice sublimates directly into a gas. 房间里有有害气体，快开窗！ Fángjiān lǐ yǒu yǒuhài qìtǐ, kuài kāi chuāng! There is harmful gas in the room, open the window quickly! 水热了以后会变成气体。 Shuǐ rè le yǐhòu huì biànchéng qìtǐ. Water turns into gas after it gets hot.