孩子们在充气的城堡上嬉戏。The children were playing on the inflatable castle.那是条可充气的橡皮船.That is an inflatable rubber boat.用来给浮箱(气球)充气的附加空气罐.Extra air tanks to fill lifting ballons....

“充气的”的英语可以翻译为：[医] aerated，pneumatized ...