doped

• 形容处于毒品影响下的状态；在较非正式的语境中，也可指极度疲惫、昏沉无力、反应迟钝。

Describes a state of being under the influence of drugs, or in a more informal context, feeling extremely tired or sluggish.

1. Treated or impregnated with a substanceC1formal

   Describes a material that has been treated or mixed with a chemical or other substance to alter its properties.

   掺杂的或浸渗的

   • The fabric was doped with a waterproofing agent.
   • The silicon wafer is doped with phosphorus to create an n-type semiconductor.
   • The wood was doped with a preservative to prevent rot.

   同义词alloyedchargedloadedsaturatedtreated

2. Under the influence of drugsB2informal

   Being in a state of intoxication or altered consciousness due to the use of narcotics or performance-enhancing drugs.

   吸毒后状态

   • The athlete was disqualified after testing positive and being found doped.
   • He looked completely doped after taking the medication.
   • The police arrested the driver for being doped while operating a vehicle.

   同义词druggedhighintoxicatedloadedstonedtrippingwasted

   反义词sober

• 动词，指给某人使用药物或麻醉品，常为改变其状态或提高表现；也指在食物或饮料中掺入药物或物质。

A verb meaning to administer a drug or substance, often to enhance performance or alter state, or to add a substance to something.

1. Administer performance-enhancing drugsB2formalsport

   To administer or take drugs, especially to improve athletic performance.

   服用兴奋剂

   • The athlete was caught doping before the competition.
   • Some cyclists dope to gain an unfair advantage.
   • The committee banned him for doping during the race.

   同义词dope updosedrugjuice

2. Add impurities to a semiconductorC1formaltechnical

   To introduce impurities into a semiconductor material to alter its electrical properties.

   掺杂

   • The silicon wafer was doped with phosphorus to create an n-type semiconductor.
   • Engineers dope the material to control its conductivity.
   • Doping a semiconductor is a crucial step in manufacturing transistors.

3. Administer a narcoticB2formalmedical

   To give a narcotic or sedative to someone, often without their knowledge.

   下药麻醉

   • The kidnappers doped the victim to keep him unconscious.
   • The vet doped the dog before the surgery.
   • He was doped with a powerful sedative during the procedure.

   同义词anesthetizedrugknock outsedatetranquilize

短语动词变体dope offdope up