bad oil tank

例句：

1. 1. The old car had a bad oil tank, so it wouldn't start.
   这辆旧车有一个坏油罐，所以它发动不起来。
2. 2.The mechanic fixed the bad oil tank and got the car running again.
   机械师修好了坏油罐，让汽车又跑了起来。
3. 3.We need to change the oil in the bad oil tank before we go on a long trip.
   在我们长途旅行之前，我们需要更换那个坏油罐里的机油。