un·pin /-ˈpɪn/ (vt.)拔去別針,拔掉閂
Un·pin v. t. To loose from pins; to remove the pins from; to unfasten; as, to unpin a frock; to unpin a frame. ◄ ►
unpin v : remove the pins from; unfasten the pins of [ant: pin] [also: unpinning, unpinned]