英语 diet diet 为什么很多人搜索这个?请英语专家回答 单独一个diet 的翻译大家都是理解的但是2个在一起我就不太理解了有人知道吗？

1、diet v [I] (be allowed to) eat only some foods or a little food,esp to lose weight 只（准）吃某类食物或少量食物; （尤指为减轻体重）节食:You ought to diet and take more exercise.你应该节食并多做运动.
2、[C] sort of food that is usually eaten (by a person,community,etc) （某人、 共同生活的人等）通常吃的食物; 日常食物:the Japanese diet of rice,vegetables and fish 米、 蔬菜、 鱼等日本人常吃的食物 * Too rich a diet (ie Too much rich food) is not good for you.吃太多油腻的食物对你身体不好.* illnesses caused by poor diet 饮食欠佳导致的疾病.
[C] limited variety or amount of food that a person is allowed to eat,eg for medical reasons or in order to lose weight 限定的食物种类或数量,规定食谱（如为治疗疾病或减轻体重的）:a salt-free diet 无盐食谱 * [attrib 作定语] diet aids 食疗.