standard backrest

• 标准靠背

standard backrest的用法和样例：

例句

1. Don't look for power backrest adjustment, auto-dimming mirrors or a navigation system.
   不要指望权力靠背调整，自动调光镜或导航系统。
2. Backrest orientation adjustable, motion difficulty and motion intensity are adjustable also.
   靠背角度可调，可调节运动难度及强度。