以米饭为主食是大多数亚洲人的习惯。

Live on rice is most of the Asians' manners.

youdao

我们过去以蔬菜和米饭为主食。

We used to live on vegetables and rice.

youdao

表现在饮食结构方面，主食以大米饭为主，即使其他谷物也要加工成干饭状食用。

When manifested in the diet, it shows rice-based staple food, even if other grains have to be processed into cooked rice-like food.

youdao

Now the fact that people were so reliant on certain foods led to deficiencies of certain nutrients, so people that were dependent on a rice based diet tended to have problems with deficiencies in protein, Vitamin A, and thiamine.

人们过于依赖某些特定的食物,导致了某些营养元素的匮乏,因此,以米饭为主食的人,很可能缺少蛋白质,维生素A和维生素B1

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选