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Air mattress
01
气床垫
a mattress that can be stored flat and inflated for use
例子
The inflated air mattress provided a comfortable place to sleep for the guests.
The air mattress slowly blew up as he opened the valve.
The air mattress inflated quickly when the valve was opened.
The air mattress automatically blew up when opened.
With a satisfying hiss, the air mattress expanded as it was inflated with a pump.
