backrest

/bak-rest/US // ˈbækˌrɛst //

靠背,椅背,靠椅,靠山

Definitions

n.名词 noun

This resulted in the creation of an S-shape curved backrest with three adjustable support points to gently maintain and guide the shape of the spine.
There’s a subwoofer built into the backrest to make you feel like you’re right in the game.
An adjustable centre seat with backrest could be used so as to provide accommodation for six passengers.