a dose of

a dose of音标为：/dəʊs/，基本翻译为剂量，速记技巧为：多(do)少(se)就是剂量(dose)。

"Dose"这个词的词源可以追溯到拉丁语"dosus"，意为“量”或“剂量”。它的变化形式主要有复数形式"doses"，过去式"dosed"和过去分词"dosed"。

相关单词：

1. "Medicine"（药）: 这个词和"dose"有着密切的关系，因为“剂量”是药物的一种常见单位。

2. "Overdose"（过量）: 指超过正常剂量的药物或物质，通常会导致不利的生理或心理反应。

3. "Dose-for-dose"（逐剂量比较）: 指逐个比较两种药物的剂量效果。

4. "Dosage"（剂量）: 指药物的用量或大小。

5. "Dosage Error"（剂量错误）: 指在药物使用过程中出现的错误剂量。

6. "Dose-Adjusted"（剂量调整）: 指根据患者的身体状况或药物反应调整药物剂量。

7. "Dose Rate"（剂量率）: 指单位时间内接受的辐射或药物的总量。

8. "Dose-Dependent"（剂量依赖的）: 指某种因素与剂量的关系，例如某些药物的效力与剂量成正比。

9. "Dosimeter"（剂量计）: 一种测量辐射剂量的仪器。

10. "Dosimetrist"（剂量测定师）: 从事剂量测定的人员，通常在医疗或放射性工作中工作。

以上这些单词都与"dose"这个词有着密切的关联，反映了药物、剂量、测量和比较等概念。

常用短语：

1. a dose of 一剂

2. a pinch of 一撮

3. a slice of 一片

4. a smidgen of 一点儿

5. a chunk of 一块

6. a spoonful of 一勺

7. a dash of 一点

例句：

1. I took a dose of medicine to help me sleep tonight.

2. There"s a pinch of salt on the table for you to add to your food.

3. I sliced some fruit for my breakfast, it was fresh and delicious.

4. I have a chunk of ice-cream every now and then, it"s so refreshing in this hot weather.

5. A spoonful of honey can help you feel better when you have a cold.

6. A dash of pepper can enhance the flavor of any dish.

7. I like to add a little bit of spice to my food to make it more interesting.

英文小作文：

Today, I had a dose of medicine to help me feel better after a long illness. I woke up feeling tired and weak, but after taking the medicine, I felt much better and more energetic. I realized that medicine can help us recover from illness and pain, but it"s also important to take care of our bodies and eat healthy food to maintain good health. I hope everyone can take care of their bodies and avoid illness by staying healthy and active.