disappearanceKK [ˏdɪsəˋpɪrəns] /ˌdɪsəˈpɪɹəns/發音dis- 不、相反+appear 出現+-ance 名詞→不再出現的狀態展開收合dis-字首不、相反appear單字出現-ance字尾名詞字面：不再出現的狀態不再出現，即消失、失蹤。名詞1失蹤、下落不明Police are still investigating the disappearance of the two hikers.警方仍在調查那兩名登山客失蹤的案件。2消失、不見The sudden disappearance of the lights left the room in darkness.燈光突然消失，讓房間陷入一片黑暗。3消亡、絕跡Climate change may lead to the disappearance of many species.氣候變遷可能導致許多物種絕跡。