recline
verb- [intransitive] recline (against/in/on something) (formal)
to sit or lie in a relaxed way, with your body leaning backwards 斜倚；斜躺；向后倚靠 - [intransitive, transitive] recline (something)
when a seat reclines or when you recline a seat, the back of it moves into a comfortable, sloping position （使座椅靠背）向后倾 a reclining chair 躺椅
Word Originlate Middle English (in the sense ‘cause to lean back’): from Old French recliner or Latin reclinare ‘bend back, recline’, from re- ‘back’ + clinare ‘to bend’.