motor head

例句：

1. 1. The new car has a sleek motor head design.
   这款新车拥有流线型的发动机头部设计。
2. 2. The mechanics were working on the motor head when I arrived.
   我到的时候，机械师们正在修理发动机头部。
3. 3. The engineers had to replace the motor head after the accident.
   事故发生后，工程师们不得不更换发动机头部。