v.知道；了解；认识；确信n.知情； 变形： 过去式：knew过去分词：known现在分词：knowing第三人称单数：knows 双语释义：v.(动词)vt. & vi. 知道,懂得 have sth in one's mind or memory as a result of experience or learning or informationvt. & vi. 认识,了解,熟悉 be acquainted with; be familiar with英英释义： know[ nəu ]n.the