premium motor oil

例句：

1. 1. The new car requires premium motor oil to maintain its performance.
   新车需要高级机油来保持其性能。
2. 2. The mechanics recommend using premium motor oil for optimal engine health.
   机械师建议使用高级机油以保持最佳发动机健康。
3. 3. The car's owner should change the oil every 5,000 miles to ensure the vehicle is running smoothly.
   车主应该每5,000英里更换一次油，以确保车辆运行顺畅。