minimum dose

例句：

1. 1. The drug hasa minimum dose that must be taken dailyto prevent side effects.
   这种药物每天必须服用最低剂量，以防止副作用。
2. 2. The manufacturerrecommends the minimum dose for children undersix years old.
   制造商推荐给六岁以下儿童的最小剂量。
3. 3. The study found thatthe minimum dose of vitamin C was sufficientto prevent colds.
   研究发现，维生素C的最小剂量就足以预防感冒。