基本解释adj.可拉長的同根派生 tractile相关词英汉例句a tractile metal. 可延展的金屬tractile fiber 牽引絲tractile fibre 牽引絲tractile更多例句词组短语短語tractile fibre 牽引絲tractile fiber 牽引絲tractile更多词组英英字典柯林斯英英字典 capable of being drawn out ductile tractile剑桥字典tractile柯林斯字典