我的三餐用英语可以说成 "my three meals"。这个说法来源于我们每天通常有三餐，即早餐、午餐和晚餐。例句如下：

I always make sure to eat my three meals a day.

我总是确保每天吃好三餐。

My three meals are usually quite simple and healthy.

我的三餐通常都很简单和健康。

I often skip one of my three meals because I'm trying to lose weight.

我常常跳过一餐，因为我想减肥。