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- A balloon expands when it is blown up. 气球吹气后会膨胀起来。
- The air in the balloon expands when heated. 当气球受热时，里面的空气就会膨胀。
- A balloon expands as the pressure inside the balloon increases. 气球中的压力增大时，气球就会膨胀。
- To expand or swell out like a balloon. 象气球一样延展或膨胀。
- The company is eager to expand into new markets. 那家公司急欲开辟新的市场。
- A balloon floated across the sky. 有个气球从空中飘过。
- I don't want to be around when the balloon goes up. 要出事了，我趁早离开是非之地。
- Metals expand when they are heated. 金属遇热则膨胀。
- He burst the balloon with a prick of the pin. 他用针一戳，气球就爆了。
- A thrust with the pin broke the balloon. 用针一戳，气球就爆了。
- The balloon burst and fell to earth. 气球破裂而落到地上。
- The girl was startled when the balloon exploded. 这女孩在气球爆炸时吃了一惊。
- The king sought to expand his realm. 国王谋求扩大领土。
- The cat batted the balloon with its paws. 猫用爪子击打气球。
- They conferred on the best way to expand business. 他们商议扩展业务的最好方法。
- The child pricked the balloon and it burst. 那孩子在气球上刺了个洞，气球就爆了。
- Would you expand on the matter a little further? 请你再进一步谈谈这件事好吗?
- The petals of many flowers expand in the sunshine. 许多花的花瓣在阳光中绽放。
- Humanitarianism is apt to be forgotten when the balloon goes up. 一旦战争爆发，人道主义往往就被抛到脑后了。
- The spectators watched the descent of the balloon. 观看的人瞧著气球降落。
