Backspacer

中文含义：背夹板

英语词性：noun

美式发音：bak-spay-ser

同义词：back panel, back support

易混淆单词：backrest, back cushion

双语例句：

1. She suffered from lower back pain, so she started using a backspacer to support her spine during long hours sitting at work. (她患有下背痛，因此开始使用背夹板来在工作时长时间支撑她的脊柱。）

2. The ergonomic chair came with a built-in backspacer, providing comfortable and reliable back support for the user. (这款人体工程学椅子配有内置的背夹板，为用户提供舒适可靠的后背支撑。）