英语词汇“main line”的读音、翻译、释义、用法及例句-初旭网

词汇	main line
释义	main line可数名词 1 a. (铁路之) 干线, 主线; (俚)主血管 b. (美)干道 2 (俚) (海洛英之) 静脉注射
随便看	Tractarian Tractarianism tractate tract house tractile tractility traction traction engine traction wheel tractive tractor tractor airplane tractor-trailer tractor train tractrix tract society Tracy trad tradable tradal trade trade acceptance trade agreement trade association trade balance

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