单词	unpin
释义	un·pin (ŭn-pĭn) tr.v. un·pinned, un·pin·ning, un·pins 1. To remove pins or a pin from. 2. a. To open or unfasten by or as if by removing pins. b. To free.
随便看	Stirling engine stirps stirrer stirring stirringly stirrup stirrup-cup stirrup iron stirrup leather stishovite stitch stitcher stitchery stitchwort stithy stiver stk. STL STM stoa stoat stob stochastic stochastically stochastic resonance

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