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- The expanding gases are then used to do useful work. 不断扩大的气体，然后用来做有益的工作。
- Explosive: Any substance or device that can produce a volume of rapidly expanding gas in an extremely brief period. 炸药:能在极短时间内产生大量气体而迅速膨胀的物质或装置称为爆炸物。
- Most of the noise a gunshot makes is expanding gases, and there's the tiny sonic boom a bullet makes because it travels so fast. 开枪时所发出的噪音大多是由于气体的急速膨胀产生的，而子弹由于其速度过快只造成极微弱的音爆。
- If the ices had been rapidly vaporized by an impacting object, the expanding gases might have helped the ejected fragments reach escape velocity. 假如这些冰层因撞击的物体而迅速汽化蒸发的话，那么膨胀的气体很有可能帮助弹射出去的碎片达到逃逸速度。
- The company is eager to expand into new markets. 那家公司急欲开辟新的市场。
- The expanding economy enriched the peasants. 不断发展的经济使农民们富裕起来。
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- Our automobile industry is expanding. 我们的汽车工业在发展。
- Our foreign trade is continuously expanding. 我们的对外贸易不断发展。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- He is thinking of expanding his business. 他正考虑扩展他的生意。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- Metals expand when they are heated. 金属遇热则膨胀。
- Chemists study the nature of gases. 有的化学家研究气体的性质。
- The temperature of volcanic gases is very high. 火山气体的温度很高。
- The king sought to expand his realm. 国王谋求扩大领土。
- They conferred on the best way to expand business. 他们商议扩展业务的最好方法。
- Would you expand on the matter a little further? 请你再进一步谈谈这件事好吗?
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- The petals of many flowers expand in the sunshine. 许多花的花瓣在阳光中绽放。
