inflate
Definition
To fill with air or gas; to increase excessively in size, volume, or price.
日本語 空気やガスで満たす
Example
"We used a pump to inflate the air mattress."
To fill with air or gas; to increase excessively in size, volume, or price.
日本語 空気やガスで満たす
"We used a pump to inflate the air mattress."