ensurern.ensure的变形：ensure[in'ʃuə]vt.保证，担保，确保：I cannot ensure his being on time.我不能保证他会准时。No one can ensure that he'll come.没有人能保证他会来。If you want to ensure that you catch the plane,take a taxi.如果你想确保赶上航班，那就叫辆出租汽车。保证获得；使(某人)获得，保证给予，赋予 (to，for)：This letter w