motormaker

例句：

1. 1. The engineer designed the new car model.
   这位工程师设计了新款汽车模型。
2. 2. The mechanic fixed the car's engine.
   那位机械师修理了汽车的引擎。
3. 3. Engineers are responsible for designing and building machines.
   工程师们负责设计和建造机器。