| 单词 | mainline |
| 释义 | mainline v [Ipr, Tn, Tn.pr] ~ sth (into sth) (sl 俚) inject (a drug) into a large vein for stimulation, often because of addiction 将（毒品）注入大静脉（常因犯瘾）:be mainlining on hard drugs 注射硬性毒品 She mainlinedheroin (into a vein in her arm). 她（向臂静脉中）注射海洛因. |
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