airbed
noun🔊/ˈeəbed/
🔊/ˈerbed/
(British English) (also air bed North American English, air mattress North American English, British English)
a large plastic or rubber bag that can be filled with air and used as a bed 充气床垫 
You can sleep on the airbed. 您可以在气垫床上睡觉。 She was lying on an airbed in the swimming pool. 她躺在游泳池的充气床上。