说一日三餐英语用has

一日三餐翻译成英文是：Three meals a day.

英语中表示吃一日三餐时一般用have

have breakfast 吃早饭

have lunch 吃午饭

have supper 吃晚饭

have为普通用语，有吃喝的意思，在英国常用have代替drink，在美国常用eat代替have，与meal，dinner等表示三餐的词连用时多用have，而不用其他词，如：

He usually have lunch at home.他常在家里吃午饭.

She wants to have a cup of tea.她想喝杯茶.