名词中文翻译
中文翻译：防空气球
同义词：
['air raid balloon', 'airborne balloon例句：1. The antiaircraft balloons were used to protect the city from enemy bombs.（防空气球被用来保护城市免受敌人炸弹的袭击。）']
例句：
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1. The antiaircraft balloons were used to protect the city from enemy bombs.
防空气球被用来保护城市免受敌人炸弹的袭击。
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2.The balloon was filled with helium and released into the sky.
这个气球是用氦气填充，然后升入天空。
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3.The antiaircraft balloons were a symbol of national pride and defense.
防空气球是国家自豪和防御的象征。