solar engine

例句：

1. 1. The solar engine is a crucial component of the new energy system.
   太阳能发动机是新能源系统的关键组成部分。
2. 2. The solar engine converts sunlight directly into electricity.
   太阳能发动机直接将阳光转化为电力。
3. 3. The development of solar engines has greatly improved our ability to harness solar energy.
   太阳能发动机的发展极大地提高了我们利用太阳能的能力。