详细解释:n. 气球
vt. 使成气球状
vi. 膨胀如气球, 激增
【医】 囊, 罐, 筒, [橡皮]球, 气球
词型变化：
名词:balloonist动词过去式:ballooned过去分词:ballooned现在分词:ballooning第三人称单数:balloons英语解释：
名词 balloon:
small thin inflatable rubber bag with narrow necklarge tough nonrigid bag filled with gas or heated air动词 balloon:
ride in a hot-air balloonbecome inflated同义词：inflate, billow