单词：mainlining
[医]把毒品直接注入静脉
v inject into the vein
词型变化：名词复数形式 : mainlinings
mainline的用法和样例：
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。
词汇搭配
- mainline program主线程序
- main line干线
经典引文
I've seen kids cut those little blue ovals with toot and mainline it.
出自：W. DeverellYou seem like you've snorted or swallowed or mainlined something.
出自：J. Updike