预热

1. 让发动机转起来预热。
   Rev it up to warm the engine.
2. 我的汽车在冬天真讨厌，引警在真正预热起来前只能转转停停。
   My car is nuisance in the winter; the engine only runs in fits and starts until it has really warmed up.
3. 空气在与燃烧生成物混合之前要进行预热。
   Before mixing with the products of combustion, the air is preheated.

预的英语翻译：

热的英语翻译：