Hot-air balloon
01
热气球
an extremely large balloon filled with heated air, which enables it to float and travel through the sky
例子
They enjoyed a scenic ride in a hot-air balloon over the countryside.
他们享受了一次在乡村上空乘坐热气球的风景之旅。
The hot-air balloon gently ascended into the sky as the burner heated the air inside.
当燃烧器加热内部空气时,热气球缓缓升入天空。



























