main line
- IPA[ˈmeɪn lʌɪn]
英式
- a chief railway line;a chief road or street.
- inject (a drug) intravenously
noun: main line, plural noun: main lines
- 釋義
名詞
- 1. a chief railway line the crash blocked traffic on the main line a mainline station
- ▪ North American a chief road or street.
- 2. informal a principal vein as a site for a drug injection.
動詞
- 1. inject (a drug) intravenously Mariella mainlines cocaine five times a day he started mainlining on heroin