mainlines
基本解释
- 主線；主靜脈
英汉例句
- nbsp; The train moved slowly south through flat, drab mainline scenery.
火車穿過乾線兩側風景單調乏味的地區，緩緩地曏南駛去。 - The train moved slowly south through flat, drab mainline scenery.
火車穿過乾線兩側風景單調乏味的地區，緩緩地曏南駛去。 - She pumped the stuff right into the mainline.
她將麻醉劑直接注入手臂的主靜脈。