首頁›Browse›B›back supportback support編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看back supportback support — 名詞名詞1. a device or cushion that supports the lower back1.名詞釋義背部支撐墊a device or cushion that supports the lower back例句I bought a back support for my office chair.