retractable seat meaning in English
可伸缩座位；折合式座椅；折椅
Examples
- It created lots of top - ranking technologies and inventions : the flight recorder ( black box ) for aircraft , the retractable seat belt for cars , the heart pacemaker and cardiopulmonary etc
明大进行过人类历史上首例成功的开心手术；拥有世界上最大的肾脏移植机构；明大的科学家培育