主线；主静脉
She is mainlining wine this week. 这星期她狂饮葡萄酒。
He got that tingle-tingle not tong after mainlining heroin. 在注射海洛因不久，他开始激动起来。
Instead of mainlining sugar, reach for some long-term energy snacks. 来点能够长期补充能量的小吃来取代甜食吧。
And I can't stop mainlining news and information, because after all, it's not only my job but my passion. 我呢又抑制不住，总是疯狂浏览各种新闻资讯，毕竟这不仅是我的工作所专，也是我的热情所在。
In contrast, ERP of all the three layers was prolonged in the hypertrophic heart, while the TDR was reduced significantly after mainlining of amiodarone. 犬肥厚心肌各层的ERP之间有显著性差异，应用胺碘酮后TDR明显缩小。
