'propulsion'这个词语来自于拉丁语，意为“推进、驱动”。
在现代的工程技术中，propulsion通常用于描述航空、航天、汽车、船舶等交通工具的推进机制，是指提供动力和推力的机械装置。
以下是9个含有propulsion的例句：
1. The airplane's propulsion system allowed it to fly at high speeds.（飞机的推进系统让它能够以高速飞行。）
2. The rocket's propulsion was so powerful that it was able to escape Earth's gravity.（火箭的推进力非常强大，以至于能够逃离地球引力。）
3. The car's propulsion comes from its engine.（汽车的推进来自于它的发动机。）
4. The ship's propulsion system broke down and it was left adrift at sea.（船舶的推进系统出现故障，它被留在海上漂流着。）
5. The spacecraft's propulsion was carefully calculated to ensure it reached its destination.（宇宙飞船的推进力被仔细计算，以确保它到达目的地。）
6. The electric bike's propulsion system was powered by a rechargeable battery.（电动自行车的推进系统由可充电电池供电。）
7. The submarine's propulsion was silent, allowing it to move undetected through the water.（潜艇的推进静音，使其能够在水中不被察觉地移动。）
8. The train's propulsion came from its locomotive, which ran on coal.（火车的推进来自于它的机车，它用煤为燃料。）
9. The hovercraft's propulsion allowed it to glide over water and land.（气垫船的推进力使它能够在水上和陆地上滑行。）
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