Mainlines
n. 主線；靜脈注射\\nvt. 把海洛因等毒品直接注入靜脈\\nvi. 沉溺于；注入\\na. 主流的；沿干線的；傳統的
??? 情景例句
Would you please hand me your customs declaration form?
請出示您的申報表給我？
Can you tell me what time Mr. chen will be back ?
你能否告訴我陳先生何時會回來？
Well, yes, I could do that. But I don't want to do anything alone.
哦，好，這事我能辦。但我又不想一個人做事情。