mainline
sp. 主线；主静脉
名词：mainliner 过去式：mainlined 过去分词：mainlined 现在分词：mainlining 第三人称单数：mainlines
近义词：principal，main，chief，leading，head，key，core，focal，central，
英英释义
Verb
- inject into the vein;
"She is mainlining heroin"
例句
- nbsp; The train moved slowly south through flat, drab mainline scenery.火车穿过干线两侧风景单调乏味的地区，缓缓地向南驶去。
- The train moved slowly south through flat, drab mainline scenery.火车穿过干线两侧风景单调乏味的地区，缓缓地向南驶去。
- She pumped the stuff right into the mainline.她将麻醉剂直接注入手臂的主静脉。