I mean, a single engine, I mean, you know? 我是说单引擎(SE)飞机,你知道吧?
The S-IVB stage has its single engine gimbaled in pitch and yaw. S-IVB级有一个单独摆动发动机来作俯仰和偏航。
Life Control and Application of Aeroengine for Single Engine(SE) Technical Condition 航空发动机单机技术状态寿命控制及应用
Although the engines are extremely reliable, one could fail, and the plane could continue to fly safely with that remaining single engine. 尽管引擎是极为可靠,就算其中一个引擎发生故障,飞机使用剩余的一个引擎也能继续安全飞行。
To the enemy must not be left a single engine, a single railway car, not a single pound of grain or a gallon of fuel. 不许把一部机车、一节火车车厢、一磅粮食、一加仑油料,留给敌人。