求翻译：我叫Sam，15岁，经常胃痛，昨天看了医生，医生给我开了胃药，叫我每天饭前服用，连服一周。他还建议我多喝牛奶，多吃蔬菜和水果，并坚持每天锻炼，如散步。是什么意思？

My name is Sam, 15 years old, often stomach, yesterday saw a doctor, the doctor gave me a stomach, called me a day before meals, and even served a week. He also advised me to drink milk, eat more vegetables and fruits, and every day for exercise such as walking.

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I call the Sam,15 year old, the stomach ache, yesterday went see a doctor frequently, doctor has opened the antidyspeptic to me, is called me before meals to take every day, Lian Fu a week.He also suggested I drink the milk, eats the vegetables and the fruit, and persisted every day exercises, if ta

My name is Sam,15 years old, often stomach pains, saw a doctor yesterday, the doctor gave me stomach medicine, call me every meal taken, continued for a week. He also advised me to drink plenty of milk, eat more vegetables and fruits, and stick to exercise every day, such as walking.

My name is Sam,15 years old, often stomach pains, saw a doctor yesterday, the doctor gave me stomach medicine, call me every meal taken, continued for a week. He also advised me to drink plenty of milk, eat more vegetables and fruits, and stick to exercise every day, such as walking.