1. Failing the exam was a hard dose to swallow.
    考试不及格是一服难咽的苦药。

1. 剂：其所造成的影响以果蝇的棒眼(bareye)最为代表,因果蝇眼睛大小的变化与基因的剂 (dose)有关,而染色体发生重复的现象使基因的剂 增加,果蝇的眼复的现象.

2. (輻射)吸收劑量：格雷符号Gy,推导而来的电离辐射吸收剂量(dose)的标准国际单位(参见 radiation units). 这是以英国放射生物学家L.H.格雷(1905-1965年)的名字命名的. 装在双万向接头(gimbal)上边缘很重的圆盘,因此它的轴可在空间中任意定向.

3. 量,一次剂量：dosage meter 放射线量计 | dose 量,一次剂量 | dose calibrator 放射线剂量校准器

1. (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.

    e.g. One dose of penicillin can wipe out the infection.
           一剂青霉素就能消除感染。

2. (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.

dose在线翻译

    e.g. She was born with a healthy dose of self-confidence...
           她天生就充满自信。
    e.g. 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。

3. 给…服药
    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...
           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。
    e.g. I dosed myself with quinine.
           我服用了奎宁。

1. street name for lysergic acid diethylamide

    Synonym: acidback breakerbattery-aciddotElvisloony toonsLucy in the sky with diamondspanesupermanwindow paneZen

2. a measured portion of medicine taken at any one time

    Synonym: dosage

3. the quantity of an active agent (substance or radiation) taken in or absorbed at any one time

    Synonym: dosage

4. a communicable infection transmitted by sexual intercourse or genital contact

    Synonym: venereal diseaseVDvenereal infectionsocial diseaseCupid''s itchCupid''s diseaseVenus''s cursesexually transmitted diseaseSTD

1. administer a drug to

    e.g. They drugged the kidnapped tourist

    Synonym: drug

2. treat with an agent
    add (an agent) to

    e.g. The ray dosed the paint