disappear/ˌdɪsə'pɪər $ -'pɪr/

v. become impossible to be seen any longer

v. [I] 消失：The moon disappeared behind a cloud. 月亮消失在云层里。

◇The boy suddenly disappeared into the crowd. 小男孩突然消失在人群中。

◇My watch has disappeared. 我的手表不见了。

构词dis- + appear

音组-ear/-ɪər $ -ɪr/

clear; dear; appear; disappear; ear; fear; hear; near; spear; tear; year

常犯错误

✗ He has disappeared for two days.

✓ He disappeared two days ago. 他两天前失踪了。

[✌disappear为短暂动词，不与一段时间连用]