He's booked himself into a rehabilitation clinic.是什么意思？

He's booked himself into a rehabilitation clinic.

他自己联系了一家康复诊所.

booked

v. 预订( book的过去式和过去分词 )，登记，（向旅馆、饭店、戏院等）预约，立案（控告某人）；

例句
Additional beauty treatments can be booked in advance.
额外的美容服务可以提前预订。

himself

pron. （反身代词）他自己，（用以加强语气）他亲自，他本人；

例句
He pleaded guilty before a court martial to absenting himself without leave.
在军事法庭上他对自己擅离职守表示服罪。

into

prep. （表示方向）进入…中，（表示所属）输入，（表示状态）进入…状态，（表示时间）持续到；

例句
By 1838, the abolitionists had shamed parliament into ending slavery in British colonies...
到1838年，废奴主义者迫使议会出于道德压力而废除了英国殖民地的奴隶制。

rehabilitation

n. 修复，复兴，复职，恢复名誉；

例句
Droughts and accentuation of soil erosion cause havoc in such areas , making their rehabilitation extremely difficult.
旱灾和严重的土壤侵蚀造成巨大的破坏, 恢复起来极为困难.

clinic

n. 诊所，门诊部，特殊病例分析，临床讲授，临床实习课；

例句
The clinic doctor will then write to your GP to get his agreement.
然后门诊医生将会写信给你的全科医生以取得他的同意。