Mainline Meaning in English
word
释义
'Mainline' usually means the main path or central route of something, such as a main railway or water pipe. In slang, it also means to inject a drug directly into a vein.
用法与细微差别
As a noun, most common in technical or transport contexts ('mainline railway'). As a verb, slang and negative—refers only to injecting drugs intravenously, not other forms of drug use. Not formal. Do not confuse 'mainline' (central route) with 'mainstream' (widely accepted ideas or trends).
例句
The train follows the mainline through the city.
basic
The mainline supplies water to every house here.
basic
He used to mainline drugs when he was younger.
basic
All major trains run on the mainline during rush hour.
natural
It's dangerous to mainline any kind of drug.
natural
That small town isn't on the mainline, so trains rarely stop there.
natural