balloons [bəˈlu:nz]

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附加级

n.气球( balloon的名词复数 )；热气球

They decorated the room with flowers and balloons. 他们用花和气球装饰了房间。
The first vehicles to navigate the air were balloons. 首次在空中航行的飞行器是气球。来自《现代汉英综合大词典》