single-cylinder engine

例句：

1. 1.This car has a single-cylinder engine that provides good fuel efficiency.
   这辆车有一个单缸发动机，提供良好的燃油效率。
2. 2. The new model sports car has a single-cylinder engine with an impressive acceleration.
   这款新运动型轿车拥有一个单缸发动机，具有令人印象深刻的加速性能。
3. 3. The old truck had a single-cylinder engine that was no longer able to handle the heavy load.
   那辆旧卡车有一个单缸发动机，现在无法承受重载。