名词
中文翻译：Unknown
同义词：
['main course', 'staple food', 'primary source of calories例句：1. The principal food in this country is rice.（这个国家的主要食物是米饭。）2. They have a main food that they eat every day.（他们每天有一道主食。）']
例句：
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1. The principal food in this country is rice.
这个国家的主要食物是米饭。
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2. They have a main food that they eat every day.
他们每天有一道主食。
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3.The main food for the day was a big salad.
当天的主菜是一大沙拉。