mainline

adjective
1
belonging to the system, or connected with the ideas that most people accept or believe in
رایج, معمول, متداول, متعارف, مرسوم
synonym mainstream
verb
1
to take an illegal drug by injecting it into a vein
تزریق مستقیم مواد مخدر, تزریق وریدی مواد مخدر