manually-operated clutch

例句：

1. 1. The car has a manually-operated clutch to make it easierto start and stop.
   这辆车有一个手动操作的离合器，使启动和停止更容易。
2. 2. The mechanics of the engine aredesigned to be easily changed by hand.
   发动机的机械设计易于手工更换。
3. 3. The manualtransmission is a common feature in many cars, allowing drivers to control the vehicle's speed and direction without relying onelectronic systems.
   手动变速器是许多汽车的常见特征，允许驾驶员控制车辆的速度和方向，而无需依赖电子系统。