mechanic

例句：

1. 1. The car needs a mechanic to fix the engine.
   这辆车需要一名机修工来修理发动机。
2. 2. He is a skilled mechanic who can fix any mechanical problem.
   他是一个熟练的机修工，能解决任何机械问题。
3. 3. The mechanic checked the car's brakes and found that they needed new pads.
   机修工检查了汽车的刹车系统，发现刹车片需要更换。