Word · Frequency #7289
cocaine
可卡因,古柯碱
核心释义
a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
- 1.
一种从古柯植物提取或合成的成瘾性药物,有时作为局部麻醉剂使用,常非法用作兴奋剂
An addictive drug derived from coca (Erythroxylum) or prepared synthetically, used sometimes medicinally as a local anesthetic and, often illegally, as a stimulant.
- 2.
这种药物的任何化学衍生物
Any chemical derivative of this drug.
一种从古柯植物提取或合成的成瘾性药物,有时作为局部麻醉剂使用,常非法用作兴奋剂;这种药物的任何化学衍生物;可卡因;古柯碱;[化] 可卡因; 古柯碱
用法In use
The documentary highlighted the devastating effects of cocaine addiction.
用法提示:cocaine 作为名词,表示一种毒品,在句中作介词宾语。
He admitted to using cocaine during his youth.
用法提示:cocaine 作为名词,是动名词短语的一部分。
Cocaine is classified as a Schedule II drug due to its high potential for abuse.
用法提示:cocaine 作为名词,是句子的主语。
use cocaine
使用 cocaine 时,常用动词 use,表示吸食可卡因。
He was arrested for using cocaine.
他因吸食可卡因而被捕。
be addicted to cocaine
be addicted to 表示对……上瘾,后接名词或动名词。
相关词与表达Connections
搭配Collocations
- cocaine addiction
- 可卡因成瘾
- He spent years struggling with cocaine addiction.他多年与可卡因成瘾作斗争。
- cocaine use
- 可卡因使用
- Cocaine use has serious health consequences.可卡因使用会导致严重的健康后果。
- cocaine abuse
- 可卡因滥用
- The program aims to reduce cocaine abuse among teenagers.该项目旨在减少青少年中的可卡因滥用。
- cocaine trafficking
- 可卡因贩运
- The police arrested a ring involved in cocaine trafficking.警方逮捕了一个参与可卡因贩运的团伙。
- cocaine dealer
学习提示Learner notes
记忆技巧Memory Tip
记忆技巧:将"cocaine"拆分为"co"+"ca"+"ine",分别对应中文音译“可”、“卡”、“因”,即“可卡因”。
语境与语域Context & Register
可卡因通常用于非法毒品交易,也用作局部麻醉药。正式和非正式场合均可能出现,但非法使用更为常见。
语法说明Grammar Note
通常作为不可数名词使用
发音与拼写Pronunciation & Spelling
All listed words share the exact final syllable sound /eɪn/ with the stressed syllable of 'cocaine'. Beware of look-alikes ending in '-ine' that are pronounced differently, such as 'codeine' (/ˈkoʊdiːn/) and 'medicine' (/ˈmɛdɪsɪn/).
用法优先级Usage priority
Collins 词频等级为 2,建议结合例句记忆,而不是只背中文释义。
一起学习词形
Dictionary facts from ECDICT, WIKTIONARY.