用烤箱的时候不要先打开预热，只要把要烤的东西直接放进去烤就行了，除非你要烤面包或者蛋糕之类的东西。

Unless you are making bread or pastries of some sort, don't pre-heat the oven. Just turn it on when you put the dish in.

youdao

厨子用烤箱烘烤面包和饼。

The cook bakes bread and cake in the oven.

youdao

厨子用烤箱烘烤面包和饼。

The cook bakes bread and cake in the oven.

youdao