ballon 在英语中是什么意思?与 Lingoland 一起探索这个词的含义、发音及具体用法
气球
a bag made of thin rubber or other flexible material, inflated with air or gas and used as a toy or for decoration.
热气球
a large bag filled with heated air or gas to make it float in the air, typically carrying a basket for passengers.
膨胀, 鼓起
to swell out in a spherical shape; to inflate.
急剧增加, 迅速膨胀
to increase rapidly in amount or size.