n.钉子( nail的名词复数 )；钉状物；指甲；趾甲v.钉住( nail的第三人称单数 )；抓住；证明…不属实；揭露 英英释义： nailn.horny plate covering and protecting part of the dorsal surface of the digitsa thin pointed piece of metal that is hammered into materials as a fastenera former unit of length for clot