mainlines
基本解释
- 主线；主静脉
英汉例句
- 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。