资料来源 : pyDict

拔掉门栓未栓上

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Unlatch \Un*latch"\, v. i. [imp. & p. p. {Unlatched}; p. pr. &
   vb. n. {Unlatching}.] [1st un- + latch.]
   To open or loose by lifting the latch; as, to unlatch a door.