电线 /tiɛnɕiɛn/ NounEnglishwireItalianocavo / filo metallicoExample围栏是由铁丝 (tiěsī / 铁丝 / 金属丝) 构成的。The fence was made of barbed wire.描述物理屏障时,常用“铁丝”来特指带刺的金属丝。