1 a small coloured object that you blow air into and use as a toy or for decoration 气球:
to blow up/burst/pop a balloon吹起/吹爆/戳爆气球
2 (also hot-ˈair balloon) a large balloon made of material that is filled with gas or hot air so that it can fly through the sky, carrying people in a basket underneath it 热气球
balloon1/bəˋlun; bəˈluːn/n [C] a small coloured rubber bag that you blow air into and use as a toy or decoration 气球: Can you blow up these balloons ? 你能把这些气球吹大吗?Suddenly the balloon burst . 突然气球爆了。 HOT AIR BALLOON
balloon2v [I] to suddenly become much larger 膨胀﹐鼓起来: The company's debt ballooned to $350 billion. 公司的债务迅速增至 3500 亿美元。
balloonballoonballoonsnoun1a small coloured rubber thing that you blow air into and use as a toy or for decoration: We are going to hang balloons around the room for the party.2 (alsohot-air balloon) a big thing like a balloon that flies in the sky, carrying people in a container (called a basket) underneath: I would like to go up in a balloon.