[动力]主机，主发动机
engine───n.引擎，发动机；机车，火车头；工具
main───adj.主要的，最大的，最重要的；n.(Main)（美）梅因（人名）；n.（输送水、煤气等的）总管道，主管道；(themains)（水、电等的）供应，供应系统；电源插座；海洋，公海；主帆（mailsail的简称）；（掷骰子游戏中）叫数；斗鸡比赛
main scene───主要景点；主场景；主体现场
main objectives───主要目标
combustible engine───可燃发动机
diesel engine───n.柴油机；柴油机（等于diesel）
brainfish engine───脑鱼引擎
engine stop───发动机停止
airbreathing engine───吸气式发动机
Family is the main engine of education.───家庭是教育最重要的发动机。
steam valve of main engine fresh water heater leaked.───主机淡水加热器的蒸气阀有滴漏。
We have main engine start.───我们在启动主发动机。
In the bubble years the main engine of Ireland's economy was a housing boom that eventually ran out of control.───在那段经济泡沫时期，唯一能够支撑爱尔兰经济的就是最终以失控而告终的地产业。
The construction of the upper cooling water chamber of such type of main engine is quite different from others.───该型号冷却水腔与其他型号的在结构上截然不同。
All preparation of the main-engine before starting to be approved by makers service engineer.───主机启动前的所有准备工作需经厂商服务工程师的认可。
When my ship was approaching the harbour, the main engine remote control system was out of order unexpectedly.───我们的船在快进港时，主机遥控系统突然出现了故障。
Therefore, the change-over of the main engine from the air - running to the fuel - running is performed.───所以，主机从空气运转到燃油运转的转换已经完成。
The U. S. consumer can no longer be the main engine of economic demand.───美国消费者将不再是经济需求的主要动力；