retractable

US [rɪˈtræktəb(ə)l]
UK [rɪ'træktəb(ə)l]
  • adj.可缩进的;可拉回的
  • Web可伸缩的;可缩回的;可收回的
retractable
adj.
1.
可缩进的;可拉回的that can be moved or pulled back into the main part of sth
a knife with a retractable blade
弹簧刀