At the time, ancient perfume makers usually made their perfumes by adding fragrances to oils and fats.

当时，香水制造商通常通过在油和脂肪中添加香味来制造香水。

The bottom line is that air frying is a great way to indulge in fried food without the extra oil and fat of deep-frying.

最重要的是， 空气煎炸是一种沉迷于油炸食品的好方法， 没有油炸的额外油脂。

OK, but junk food has many disadvantages. As junk food contains high amount of oil and fat, you'll feel sleepy, not be able to concentrate when you have a lot of it.

没错，可是垃圾食品也有很多坏处。垃圾食品脂肪含量高，你吃太多机会觉得昏昏欲睡，不能集中注意力。