Diesel requires heat and pressure, same concept, same four strokes, but the piston comes up, it's compressing the diesel and the air, but much higher pressure than a gasoline motor.

柴油需要热量和压力，相同的概念，相同的四冲程，但活塞上来，它会压缩柴油和空气，但压力比汽油发动机高得多。