饮食习惯的英文表达是 dietary habits。这个词的来源可以归结为两个词：diet（饮食）和 habit（习惯）。

下面是一些例句：

Changing your dietary habits can have a positive impact on your health.

It's important to have a balanced diet and healthy dietary habits.

Our dietary habits have a significant effect on the environment.

Poor dietary habits can lead to a variety of health problems.

Some people find it difficult to break bad dietary habits.