短语词组短语tractable a 易于管教的Not Tractable 不易处理balky tractable 倔强的headlong tractable 顽固的incorrigible tractable 无可救药的tractable e 温顺的;易驾驭的obedient tractable 听从上级或长辈的话Tractable student 听话的学生recalcitrant tractable 桀骜不驯的 返回 tractable