而冷车启动冒白烟，特别是低温启动时发动机冒白烟，但随着发动机温度升高而白烟消失则是正常现象。

And cold car start take white smoke, especially when low-temperature start engine take white smoke, but with the engine temperature rises, the white smoke disappear is normal phenomenon.

youdao

今天早上冷极了。我的车都几乎启动不了。

It was so cold this morning. I could hardly start my car.

youdao