(informal)when experienced or engaged in a little at a time(非正式)一次一点地，慢慢地，少量地
like a dose of salts
(Brit. informal)very fast and efficiently(英，非正式)很快地，一下子
英语四级真题
She insists that it's exposing workers to unnecessarily high doses of radiation.
出自-2011年6月听力原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
(药物等的)一剂，一服
A dose of medicine or a drug is a measured amount of it which is intended to be taken at one time.
例句
One dose of penicillin can wipe out the infection.一剂青霉素就能消除感染。
N-COUNT
(尤指数量很多的)一份，一次，一点
You can refer to an amount of something as a dose of that thing, especially when you want to emphasize that there is a great deal of it.
例句
She was born with a healthy dose of self-confidence...她天生就充满自信。The West is getting a heavy dose of snow and rain today.西部今天将迎来一场大的雨夹雪。
VERB
给…服药
If you dose a person or animal with medicine, you give them an amount of it.
例句
The doctor fixed the rib, dosed him heavily with drugs, and said he would probably get better...医生接好了肋骨，给他服用了大剂量的药，并说他可能会有所好转。I dosed myself with quinine.我服用了奎宁。
英汉词典释义
n.
(一次)剂量, 一剂, 一份
He gave me a dose of medicine for my cold.他给我开了一剂治感冒的药。The bottle contains six doses of liquid medicine.这个瓶子里有六次服量的药水。In the accident, the workers received a heavy dose of radiation.在那次事故中, 工人受到大剂量的辐射。
一场, 一次, 一回
What you need is a good dose of laughter.你需要的是大笑一场。
vt.
给…服药
She dosed up the children with cough syrup.她把止咳糖浆给孩子们喝了。
英英词典释义
Noun
1. a measured portion of medicine taken at any one time
2. the quantity of an active agent (substance or radiation) taken in or absorbed at any one time