decerebration

例句：

1. 1. She had a terrible memory and often forgot important details.
   她记忆力很差，经常忘记重要细节。
2. 2. The old man forgot his keys in the park yesterday.
   昨天老人在公园里把钥匙忘了。
3. 3. He forgot to bring his umbrella when it started raining.
   开始下雨时他忘了带伞。