1.气球
及物动词：
1.使成气球状
不及物动词：
1.膨胀如气球，激增 词形变化
- 名称 balloonist
- 时态 ballooned，ballooning，balloons
- ride in a hot-air balloon
- large tough nonrigid bag filled with gas or heated air
- small thin inflatable rubber bag with narrow neck
- become inflated
1.气球
及物动词：
1.使成气球状
不及物动词：
1.膨胀如气球，激增 词形变化