dose

/doʊs/

a measured portion of medicine taken at any one time

中文释义：剂量；一剂

The doctor prescribed a daily dose of vitamin D to improve her health.

医生开了一剂每日维生素D以改善她的健康。

It is important to take the correct dose of medicine to avoid side effects.

服用正确剂量的药物以避免副作用很重要。