1. (藥物等的)一劑，一服
    A dose of medicine or a drug is a measured amount of it which is intended to be taken at one time.

    e.g. One dose of penicillin can wipe out the infection.
           一劑青霉素就能消除感染。

2. (尤指數(shù)量很多的)一份，一次，一點(diǎn)
    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.

dose是什么意思

    e.g. She was born with a healthy dose of self-confidence...
           她天生就充滿自信。
    e.g. The West is getting a heavy dose of snow and rain today.
           西部今天將迎來(lái)一場(chǎng)大的雨夾雪。

3. 給…服藥
    If you dose a person or animal with medicine, you give them an amount of it.

    e.g. The doctor fixed the rib, dosed him heavily with drugs, and said he would probably get better...
           醫(yī)生接好了肋骨，給他服用了大劑量的藥，并說(shuō)他可能會(huì)有所好轉(zhuǎn)。
    e.g. I dosed myself with quinine.
           我服用了奎寧。