change of oil

例句：

1. 1. The car needs an oil changesoon.
   这辆车需要很快进行一次换油。
2. 2. We should have our car servicedevery six months for a change of oil.
   我们应该每六个月对车辆进行一次保养，更换机油。
3. 3. The mechanic will check theoil and replace it as part of theroutine maintenance.
   机械师会检查机油并作为常规维护的一部分进行更换。