基本解释adj.可拉长的同根派生 tractile相关词英汉例句a tractile metal. 可延展的金属tractile fiber 牵引丝tractile fibre 牵引丝tractile更多例句词组短语短语tractile fibre 牵引丝tractile fiber 牵引丝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