backrest 的英语意思
backrestbackrest /ˈbækrest/ noun [countable] 
查看全部语言翻译 the part of a chair or seat that supports your back椅子或座位上支撑背部的部分
查看全部语言翻译 the part of a chair or seat that supports your back椅子或座位上支撑背部的部分 查看全部语言翻译 the part of a chair or seat that supports your back椅子或座位上支撑背部的部分