cocaine

1.名詞B2

釋義

A white powder from the leaves of the coca plant. It is mostly known as an illegal drug that gives users a short feeling of great energy and happiness and causes strong addiction. Doctors may also apply it to numb a small area of the body during medical procedures.

例句

Police found a bag of cocaine hidden inside a driver's coat at the border checkpoint.

collocation: a bag of cocaine hidden in [location]

For surgery, doctors may use cocaine as a local anesthetic to numb eye surfaces.

medical use: cocaine as a local anesthetic

同義詞

coke
informal slang term for cocaine; common in casual speech but not appropriate in formal or medical writing.
crack
a specific, more addictive form of cocaine that is smoked rather than snorted; not a synonym for pure powdered cocaine.
snow
dated slang term for cocaine; rarely used by younger speakers today.

文法句型

cocaine + noun (cocaine addiction, cocaine dealer)

some / a bag of / a line of + cocaine

用法筆記

Uncountable noun — do not say 'a cocaine' or 'cocaines'. Use 'some cocaine' or structures like 'a bag of cocaine'. Frequently paired with nouns describing the drug trade or addiction: cocaine dealer, cocaine trafficking, cocaine habit.

常見錯誤

❌He bought a cocaine from a stranger.

✅He bought some cocaine from a stranger.

💡cocaine is uncountable; use 'some cocaine' or 'a bag of cocaine.'

❌Cocaines are found in many cities.

✅Cocaine is found in many cities.

💡cocaine is uncountable and always takes a singular verb.

cocaine — noun

1. A white powder from the leaves of the coca plant. It is mostly known as an illeg

文法句型

用法筆記

常見錯誤