appear
词根词缀：
appear v. 出现
ap 表加强 + pear 看见 → 看见 → 出现
appearance n. 出现
appear 出现 + ance 状态，性质，状况 → 出现
disappear v. 消失
dis 不 + appear 出现 → 不出现 → 消失
reappear v. 再现
re 重新 + appear 出现 → 再现
数据来源：新东方英语词汇速记大全
相关例句：
Dry stone walls may appear stark and lifeless, but they provide a valuable habitat for plants and animals.
干燥的石墙看起来也许荒凉且毫无生机，但它们为动植物提供了宝贵的栖息地。
Many women achievers appear to pose a threat to their male colleagues
许多事业有成的女性似乎对她们的男同事构成了一种威胁。
The opposition appear to have chosen the path of cooperation rather than confrontation
反对派似乎已经选择了合作而不是对抗的路线。
Last night some of the prisoners appeared on the roof.
昨晚，其中几个犯人出现在房顶上。
He appeared willing to reach an agreement.
他似乎愿意达成协议。
Two other executives appeared at Worthing Magistrates 'Court charged with tax fraud
又有两个经理因偷税漏税指控被传唤到沃辛治安法庭。