a substance that is used as a medicine or narcotic
动词 drug:
administer a drug to同义词:dose
use recreational drugs同义词:do drugs
例句
They were arrested for drug offences.他们因吸毒罪而被逮捕。
As the addict's toleration increases, he requires ever larger doses of the drug.由于嗜毒者对药物的耐受性增加了,因而需要更大剂量的毒品。
He is a drug fiend.他是个有毒瘾的人。
His medicine is a drug that can be injected or taken by mouth.他的药可以注射或口服。
We are testing the efficacy of a new drug.我们正在测试新药的功效。
This drug should only be taken under the supervision of a doctor.此药须遵医嘱服用。
The drug is wanted bitterly.这药有人急着要用。
The man formed a habit of taking harmful drugs.这人养成了服用有害麻醉品的习惯。
详细解释
drug n.(名词) A substance used in the diagnosis, treatment, or prevention of a disease or as a component of a medication.药:用于诊断、治疗或预防疾病作为一个药物治疗成份的物质Such a substance as recognized or defined by the U.S. Food, Drug, and Cosmetic Act.被美国食品、药物与化妆品法案认定或定义的此类物质A chemical substance, such as a narcotic or hallucinogen, that affects the central nervous system, causing changes in behavior and often addiction.毒品:一种化学物质,如麻醉剂或迷幻剂,能影响中枢神经系统,导致行为的改变并易吸食成瘾Obsolete A chemical or dye.【废语】 化学品或染料v.tr.(及物动词)drugged,drug.ging,drugs To administer a drug to.给…服药To poison or mix (food or drink) with a drug.搀麻醉药(或毒药)于(食品或饮料)To stupefy or dull with or as if with a drug:用药物或类似用药物麻痹或麻木:例句:drugged with sleep.昏昏欲睡 来源:Middle English drogge 中古英语 drogge from Old French drogue [drug] 源自 古法语 drogue [药] perhaps from Middle Dutch droge (vate) [dry (cases)] [pl. of] drog [dry] 可能源自 中古荷兰语 droge (vate) [于(盒子)] [] drog的复数 [于]