英语词汇“main line”是什么意思，“main line”的读音、用法及例句翻译-烛光网

词汇	main line
释义	main linen.（名词） A principal section of a railroad line.干线：铁路线的主要部分 Slang A principal and easily accessible vein, usually in the arm or leg, into which a drug can be injected.【俚语】主静脉：主要的并很容易能触摸到的静脉，常见于手臂或大腿上，可以向里面注射毒品
随便看	pied–billed grebe pied–à–terre pie-eyed Piegan Piegans pieing pie plant pier pier pierce pierce Pierce Pierce College pierced pierced pierces piercing pier glass Pieria Pierian Spring Piero della Francesca Piero di Cosimo pierogi pierogies Pierre

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