常見例句雙語例句Seat by the frame, seat, backrest and adjust the composition of institutions.座椅由骨架、座墊、靠背和調(diào)節(jié)機(jī)構(gòu)等組成。48266439.blog.163.comThere are 4 modular elements to the sofa; the seat, backrest, armrest and cushions.沙發(fā)有四組元素:座位、靠背、靠手和墊子。Either your chair must have some sort of lumbar support or a pillow or backrest achieves this.你的椅子得有一個(gè)能支撐腰部的靠墊或者靠背什么的。權(quán)威例句This immediately gave the single unit a much-needed backrest.FORBES: Is The Euro Relying on Excuses? 返回 backrest