n.消失，不见；消散；失踪；出走，一去不返 变形： 复数：disappearances 英英释义： disappearance[ ,disə'piərəns ]n.the act of leaving secretly or without explanation同义词：disappearingthe event of passing out of sightgradually ceasing to be visible同义词：fadeceasing to exist"he regretted the d